ZKIN / ZK International Group Co., Ltd. - Depositi SEC, Relazione annuale, dichiarazione di delega

ZK International Group Co., Ltd.

Statistiche di base
CIK 1687451
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to ZK International Group Co., Ltd.
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
August 22, 2025 S-8

As filed with the Securities and Exchange Commission on August 22, 2025

As filed with the Securities and Exchange Commission on August 22, 2025 Registration No.

August 22, 2025 EX-FILING FEES

Table 1: Newly Registered Securities

Calculation of Filing Fee Tables S-8 ZK International Group Co., Ltd. Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Ordinary Shares, no par value per share 457(a) 650,000 $ 1.91 $ 1,241,500.00 0.0001531 $ 190.07 Tota

August 21, 2025 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. 2025 EQUITY INCENTIVE PLAN

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. 2025 EQUITY INCENTIVE PLAN 1. Purpose. The purpose of the ZK International Group Co., Ltd. (the “Company”) 2025 Equity Incentive Plan is to provide a means through which the Company and its Affiliates may attract and retain key personnel and to provide a means whereby directors, officers, managers, employees, consultants and advisors (and prospective d

August 21, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2025 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology D

February 24, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2025 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

February 24, 2025 EX-99.1

ZK International Group Co., Ltd. Resolves Nasdaq Bid Price Deficiency and Remains in Compliance with Nasdaq Listing Standards

Exhibit 99.1 ZK International Group Co., Ltd. Resolves Nasdaq Bid Price Deficiency and Remains in Compliance with Nasdaq Listing Standards WENZHOU, China, Fenruary 24, 2025— ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZK International” or the "Company"), a leading engineering Company focused on high-performance steel products, is pleased to announce that the bid price deficiency concern rais

January 31, 2025 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2025 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

January 31, 2025 EX-99.1

ZK International Group Announces 1-for-7 Reverse Stock Split

Exhibit 99.1 ZK International Group Announces 1-for-7 Reverse Stock Split WENZHOU, China, January 29, 2025— ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZK International” or the “Company”), a leading engineering Company focused on high-performance steel products, announces a 1-for-7 reverse split of its ordinary shares approved by the Company’s Board of Directors on January 14, 2025. Beginnin

January 27, 2025 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Xiaofen Jin, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual report

January 27, 2025 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaofen Jin, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to

January 27, 2025 EX-2.6

Description of Securities Registered under Section 12 of the Securities Exchange Act of 1934, as Amended (the “Exchange Act”)

Exhibit 2.6 Description of Securities Registered under Section 12 of the Securities Exchange Act of 1934, as Amended (the “Exchange Act”) Ordinary shares, no par value per share (“Ordinary Share”), of ZK International Group Co., Ltd. (“we,” “our,” “our company,” or “us”) are listed and traded on the Nasdaq Capital Market, and in connection with this listing (but not for trading), its Ordinary Shar

January 27, 2025 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

January 27, 2025 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)

January 27, 2025 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

September 30, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

6-K 1 tm2425268d16k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industr

September 30, 2024 EX-99.1

ZK International Group Co., Ltd. Announces Record Revenue of $52.89 Million, an Increase of 6.5% for the First Half of Fiscal Year 2024

Exhibit 99.1 ZK International Group Co., Ltd. Announces Record Revenue of $52.89 Million, an Increase of 6.5% for the First Half of Fiscal Year 2024 WENZHOU, China, September 30, 2024 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily

September 19, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

August 16, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

August 16, 2024 EX-99.1

ZK International Achieves Nasdaq Compliance and Provides Update on Bid Price Compliance Plan

Exhibit 99.1 ZK International Achieves Nasdaq Compliance and Provides Update on Bid Price Compliance Plan WENZHOU, China, August 15, 2024 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZKIN”, “ZK International” or the “Company”), a leading manufacturer and supplier of patented high-performance stainless steel and carbon steel pipe products, is pleased to announce two important up

August 13, 2024 EX-97.1

ZK International Group Co., Ltd. Executive Compensation Recovery Policy

Exhibit 97.1 ZK International Group Co., Ltd. Executive Compensation Recovery Policy This policy covers the Covered Officers of ZK International Group Co., Ltd. (the “Company”) and explains when the Company will be required or authorized, as applicable, to seek recovery of Incentive Compensation awarded or paid to Covered Officers. Please refer to Exhibit A attached hereto (the “Definitions Exhibi

August 13, 2024 EX-13.2

Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Xiaofen Jin, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual report

August 13, 2024 EX-12.2

Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Xiaofen Jin, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to

August 13, 2024 EX-2.6

Description of Securities Registered under Section 12 of the Securities Exchange Act of 1934, as Amended (the “Exchange Act”)

Exhibit 2.6 Description of Securities Registered under Section 12 of the Securities Exchange Act of 1934, as Amended (the “Exchange Act”) Ordinary shares, no par value per share (“Ordinary Share”), of ZK International Group Co., Ltd. (“we,” “our,” “our company,” or “us”) are listed and traded on the Nasdaq Capital Market, and in connection with this listing (but not for trading), its Ordinary Shar

August 13, 2024 EX-13.1

Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

August 13, 2024 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)

August 13, 2024 EX-12.1

Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

August 13, 2024 EX-11.2

ZK International Group Co. Ltd.

Exhibit 11.2 ZK International Group Co. Ltd. The purpose of this policy is to govern activities concerning employee trading in securities. It is the policy of ZK International Group Co. Ltd. (the “Company”) that its directors, officers, employees (full time, part-time, contract and temporary) and associates including those of all subsidiary companies (collectively, the “Company Employees”), and al

July 23, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File No. 001-38146 ZK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2024 Commission File No. 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binh

July 23, 2024 EX-99.2

PRIVATE PLACEMENT SUBSCRIPTION AGREEMENT FOR NON U.S. SUBSCRIBERS RECRUITER.COM GROUP, INC. PRIVATE PLACEMENT OF COMMON STOCK INSTRUCTIONS TO SUBSCRIBER:

Exhibit 99.2 THE SECURITIES REPRESENTED HEREBY HAVE BEEN OFFERED IN AN OFFSHORE TRANSACTION TO A PERSON WHO IS NOT A U.S. PERSON (AS DEFINED HEREIN) PURSUANT TO REGULATION S UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “1933 ACT”). NONE OF THE SECURITIES REPRESENTED HEREBY HAVE BEEN REGISTERED UNDER THE 1933 ACT, OR ANY U.S. STATE SECURITIES LAWS, AND, UNLESS SO REGISTERED, MAY

July 23, 2024 EX-99.1

ZK International Group Co., Ltd. Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone

Exhibit 99.1 ZK International Group Co., Ltd. Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone July 10, 2024 Re: Hedong Xu Director Offer Letter Dear Mr. Xu: ZK International Group Co., Ltd., a British Virgin Islands company (the “Company” or “we”), is pleased to offer you a position as a Director of the Company. We belie

July 23, 2024 EX-99.3

REGISTRATION RIGHTS AGREEMENT

Exhibit 99.3 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (“Agreement”) is entered into as of the day of July, 2024 by and among Recruiter.Com Group, Inc., a Nevada corporation (the “Company”), and ZK International Group Co., Ltd., a company organized under the laws of British Virgin Islands (the “Purchaser”). WHEREAS, the Company and the Purchaser are parties to the Private Pl

June 26, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

June 26, 2024 EX-99.1

ZK International Group Co., Ltd. Granted Extension to File Form 20-F by Nasdaq

Exhibit 99.1 FOR IMMEDIATE RELEASE ZK International Group Co., Ltd. Granted Extension to File Form 20-F by Nasdaq WENZHOU, China, June 26, 2024 — ZK International Group Co., Ltd. (Nasdaq: ZKIN) (the "Company") announces that Nasdaq has granted the Company an additional extension to file its Form 20-F for the fiscal year ended September 30, 2023. Initially, Nasdaq had extended the deadline to June

June 6, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

June 6, 2024 EX-16.1

999 18th Street, Suite 3000, Denver, CO, 80202, USA. Phone: 1.303.386.7224 Fax: 1.303.386.7101 Email: [email protected]

Exhibit 16.1 June 6, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Dear Sir or Madam: We have been furnished with a copy of the Form 6-K for the event that occurred on June 6, 2024, to be filed by our former client, ZK International Group Co., Ltd. We agree with the statements concerning our firm contained in such Form 6-K. We have no position to agree or disagr

May 8, 2024 EX-99.1

ZK International Group Co., Ltd. Granted Exception by Nasdaq Staff Regarding Form 20-F Filing

Exhibit 99.1 FOR IMMEDIATE RELEASE ZK International Group Co., Ltd. Granted Exception by Nasdaq Staff Regarding Form 20-F Filing WENZHOU, China, May 6, 2024 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN," "ZK International" or the "Company"), a global leader in the design, manufacture, and sale of high-performance stainless steel and carbon steel pipe products, announces to

May 8, 2024 EX-99.2

ZK International Group Co., Ltd. and The CF Opportunity Fund Successfully Closes $5 Million Financing Priced at $1.59 per Share

Exhibit 99.2 ZK International Group Co., Ltd. and The CF Opportunity Fund Successfully Closes $5 Million Financing Priced at $1.59 per Share WENZHOU, China, May 7, 2024 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN," "ZK International" or the "Company"), a leading provider of advanced steel products, is pleased to announce the successful closing of its previously announced

May 8, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, B

May 2, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, B

February 22, 2024 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2024 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

February 22, 2024 EX-99.1

ZK International Receives Nasdaq Notices Regarding Listing Deficiency

Exhibit 99.1 ZK International Receives Nasdaq Notices Regarding Listing Deficiency WENZHOU, China, February 22, 2024 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN," "ZK International" or the "Company"), a leading provider of advanced steel products, announced that it received the Nasdaq notices regarding minimum bid requirements and not timely filing of annual report on For

January 31, 2024 NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

OMB APPROVAL OMB Number: 3235-0058 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Expires: April 30, 2025 Estimated average burden Washington, D.

December 29, 2023 EX-99.1

ZK International Group Co., Ltd. Celebrates Prestigious Recognition as a National "Little Giant Enterprise" Company Chairman Emphasizes Commitment to Technological Innovation and Global Expansion

Exhibit 99.1 ZK International Group Co., Ltd. Celebrates Prestigious Recognition as a National "Little Giant Enterprise" Company Chairman Emphasizes Commitment to Technological Innovation and Global Expansion WENZHOU, China, December 14, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), a pioneer in innovation and technology, proudly

December 29, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

December 29, 2023 EX-99.3

ZK International Group Co., Ltd. Resolves Nasdaq Bid Price Deficiency and Remains in Compliance with Nasdaq Listing Standards

Exhibit 99.3 ZK International Group Co., Ltd. Resolves Nasdaq Bid Price Deficiency and Remains in Compliance with Nasdaq Listing Standards WENZHOU, China, December 26, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), a pioneer in innovation and technology, and a global leader in the design and production of stainless steel products,

December 29, 2023 EX-99.2

ZK International Group Co., Ltd., Wins $8 Million Bid with Chongqing Gas Group to Supply the Municipal Gas Infrastructure Project, thus Strengthening its Competitive Edge in the Western China Gas Market

Exhibit 99.2 ZK International Group Co., Ltd., Wins $8 Million Bid with Chongqing Gas Group to Supply the Municipal Gas Infrastructure Project, thus Strengthening its Competitive Edge in the Western China Gas Market WENZHOU, China, December 19, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZKIN”, “ZK International” or the “Company”), a leading designer, engineer, manufactur

December 1, 2023 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of November 27, 2023, between ZK International Group Co., Ltd., a business company incorporated under the laws of the British Virgin Islands, or the BVI (the “Company”), and the purchaser identified on the signature page hereto (the “Purchaser”). WHEREAS, subject to the terms and conditions

December 1, 2023 EX-99.1

ZK International Group Co., Ltd. and The CF Opportunity Fund Commits $5 Million Investment with the First Subscription Priced at $1.70 per Share

Exhibit 99.1 ZK International Group Co., Ltd. and The CF Opportunity Fund Commits $5 Million Investment with the First Subscription Priced at $1.70 per Share WENZHOU, China, November 29, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN," "ZK International" or the "Company"), a leading provider of advanced steel products, is pleased to announces a financial boost with a $5

December 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

December 1, 2023 EX-10.1

DATED: 27 November 2023 XSIGMA ENTERTAINMENT LIMITED ZK INTERNATIONAL GROUP CO. LTD. CG MALTA HOLDING LIMITED (“CG Malta”) DANIEL ERIC GRAETZER PAUL BARRY LEGGETT CARRANZA TRADING LIMITED Settlement Agreement and Release TABLE OF CONTENTS

Exhibit 10.1 DATED: 27 November 2023 XSIGMA ENTERTAINMENT LIMITED (“xSigma”) ZK INTERNATIONAL GROUP CO. LTD. (“ZK”) CG MALTA HOLDING LIMITED (“CG Malta”) DANIEL ERIC GRAETZER (“DG”) PAUL BARRY LEGGETT (“PL”) CARRANZA TRADING LIMITED (“Carranza”) Settlement Agreement and Release TABLE OF CONTENTS CLAUSE page 1. DEFINITIONS AND INTERPRETATION 4 2. EFFECT OF THIS AGREEMENT 5 3. TRANSFER OF SOFTWARE 5

December 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

November 15, 2023 EX-99.1

ZK International Group Co., Ltd. Granted Temporary Exception by Nasdaq Hearings Panel

Exhibit 99.1 ZK International Group Co., Ltd. Granted Temporary Exception by Nasdaq Hearings Panel WENZHOU, China, November 15, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), is pleased to announce that the Nasdaq Hearings Panel has granted the company a temporary exception, enabling it to regain compliance with The Nasdaq Stock M

November 15, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

October 13, 2023 EX-99.1

ZK International Group Announces Receipt of Nasdaq Delisting Notification and Will Request Hearing

Exhibit 99.1 ZK International Group Announces Receipt of Nasdaq Delisting Notification and Will Request Hearing WENZHOU, China, October 13, 2023 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), a leading provider of advanced steel products, today announced that on October 10, 2023, the Company received notice from the Listing Qualificati

October 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2023. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

September 29, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023. Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2023. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 29, 2023 EX-99.1

ZK International Group Co., Ltd. Announces Record Revenue of $49.66 Million, an Increase of 15.77% for the First Half of Fiscal Year 2023

Exhibit 99.1 ZK International Group Co., Ltd. Announces Record Revenue of $49.66 Million, an Increase of 15.77% for the First Half of Fiscal Year 2023 WENZHOU, China, September 29, 2023 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primaril

July 27, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

July 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

July 26, 2023 EX-4.1

  Employment Agreement

Exhibit 4.1   Employment Agreement   This Employment Agreement (the "Agreement") is made and entered into as of July 21, 2023 (the "Effective Date"), by and between Xiaofen Jin (the "Executive") and ZK International Group Co., Ltd., a company incorporated under the laws of the British Virgin Islands (the "Company").   WHEREAS, the Company desires to employ the Executive on the terms and conditions

June 2, 2023 RW

ZK INTERNATIONAL GROUP CO., LTD. c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025

ZK INTERNATIONAL GROUP CO., LTD. c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 June 2, 2023 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, D.C. 20549 Attention: Erin Purnell Re: ZK International G

April 13, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

March 23, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

January 31, 2023 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

January 31, 2023 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

January 31, 2023 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

January 31, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)

January 31, 2023 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

January 31, 2023 EX-15.1

Consent of ZH CPA, LLC

Exhibit 15.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Directors and Stockholders of ZK International Group Co., Ltd.: We hereby consent to the incorporation by reference in this Registration Statement on Form F-3 of our report dated January 31, 2023, relating to the consolidated financial statements which are incorporated in ZK International Group Co., Ltd.’s Annual

October 19, 2022 EX-99.1

ZK International Receives Nasdaq Notice Regarding Minimum Bid Requirements

Exhibit 99.1 ZK International Receives Nasdaq Notice Regarding Minimum Bid Requirements WENZHOU, China, Oct. 19, 2022 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company") today announced that the Company received a notice from the Nasdaq Stock Market LLC (?Nasdaq?), dated Oct. 13, 2022, notifying the Company that it is currently not in compli

October 19, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

September 29, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

September 28, 2022 EX-99.2

ZK International Group Co., Ltd. and Subsidiaries Consolidated Balance Sheets As of March 31, 2022 and September 30, 2021 (IN U.S. DOLLARS, EXCEPT SHARE DATA)

Exhibit 99.2 ZK International Group Co., Ltd. and Subsidiaries Consolidated Balance Sheets As of March 31, 2022 and September 30, 2021 (IN U.S. DOLLARS, EXCEPT SHARE DATA) 2022 (Unaudited) 2021 Assets Current assets Cash and cash equivalents $ 5,244,796 $ 13,525,298 Restricted cash 79,170 77,906 Short-term Investment 236,619 2,560,760 Accounts receivable, net of allowance for doubtful accounts of

September 28, 2022 EX-99.3

ZK International Group Co., Ltd. Announces Record Revenue of $42.89 Million, an Increase of 1.71% for the First Half of Fiscal Year 2022

Exhibit 99.3 ZK International Group Co., Ltd. Announces Record Revenue of $42.89 Million, an Increase of 1.71% for the First Half of Fiscal Year 2022 WENZHOU, China, September 28, 2022 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily

September 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022. Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2022. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 28, 2022 EX-99.1

OPERATING AND FINANCIAL REVIEW AND PROSPECTS IN CONNECTION WITH THE UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED MARCH 31, 2022 AND 2021

Exhibit 99.1 OPERATING AND FINANCIAL REVIEW AND PROSPECTS IN CONNECTION WITH THE UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED MARCH 31, 2022 AND 2021 In this report, as used herein, and unless the context suggests otherwise, the terms ?ZK? ?Company? ?we? ?us? or ?ours? refer to the combined business of ZK International Group Co., Ltd., its subsidiaries. References t

August 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

August 18, 2022 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People?s Republic of China 325025 PROXY STATEMENT AND NOTICE OF ANNUAL MEETING OF SHAREHOLDERS To the shareholders of August 18, 2022 ZK International Group Co., Ltd. Wenzhou, China To our sharehold

June 30, 2022 EX-4.2

Form of Indenture

Exhibit 4.2 ZK INTERNATIONAL GROUP CO., LTD. and , as Trustee FORM OF INDENTURE Dated as of , TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 1.1. DEFINITIONS 1 1.2. OTHER DEFINITIONS 4 1.3. INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT 5 1.4. RULES OF CONSTRUCTION 5 ARTICLE 2 THE SECURITIES 5 2.1. ISSUABLE IN SERIES 5 2.2. ESTABLISHMENT OF TERMS OF SERIES OF SECU

June 30, 2022 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this amendment no.1 to the annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a

June 30, 2022 F-3

As filed with the Securities and Exchange Commission on June 30, 2022

As filed with the Securities and Exchange Commission on June 30, 2022 Registration No.

June 30, 2022 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s amendment no

June 30, 2022 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Amendment No.1)

Table of Contents ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 30, 2022 CORRESP

ZK INTERNATIONAL GROUP CO., LTD. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025

CORRESP 1 filename1.htm ZK INTERNATIONAL GROUP CO., LTD. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 June 30, 2022 Via Electronic Mail Dale Welcome Division of Corporation Finance Office of Manufacturing U.S. Securities Exchange Commission Re: ZK International Group Co., Ltd. (the “Company”) To w

June 30, 2022 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s amendment n

June 30, 2022 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this amendment no.1 to the annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a m

June 30, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form F-3 (Form Type) ZK International Group Co.

June 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-38146

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2022 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

June 28, 2022 EX-1.1

Amended and Restated Memorandum and Articles of Association

EX-1.1 2 tm2219543d1ex1-1.htm EXHIBIT 1.1 Exhibit 1.1 BVI Company No.: 1873870 TERRITORY OF THE BRITISH VIRGIN ISLANDS THE BVI BUSINESS COMPANIES ACT, 2004 (the “Act”) A COMPANY LIMITED BY SHARES AMENDED AND RESTATED MEMORANDUM AND ARTICLES OF ASSOCIATION OF ZK International Group Co., Ltd. 正康国际集团有限公司 Incorporated the 13th day of May, 2015 (Amended the 26th day of April, 2022) OVERSEAS MANAGEMENT

January 28, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents ? ? ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 28, 2022 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

January 28, 2022 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

January 28, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2022 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

January 28, 2022 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

January 28, 2022 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (IN U.S. DOLLARS, EXCEPT SHARE DATA)

ZK International Group Co., Ltd. Announces Record Revenues of $99.41 Million, an Increase of 14.5% for the Fiscal Year 2021 WENZHOU, China, Jan. 28, 2022 /PRNewswire/ - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used for water an

January 28, 2022 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

December 30, 2021 EX-10.1

Amendment to the Subscription of Shares Agreement Between CG Malta Holding Limited and XSigma Entertainment Ltd. dated December 27, 2021 (Exhibit 10.1 to the Form 6-K furnished on December 30, 2021 and is incorporated herein by reference)

Exhibit 10.1 AMENDMENT TO THE SUBSRIPTION OF SHARES AGREEMENT BETWEEN CG MALTA HOLDING LIMITED AND XSIGMA ENTERTAINMENT LTD. THE SUBSCRIPTION OF SHARES AGREEMENT entered into by the Parties on the 4th day of April, 2021, and subsequently amended on August 4, 2021, is by mutual agreement of the Parties, hereby amended as of this 27th day of December, 2021. WHEREAS: 2.2 The Parties agree that the Se

December 30, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021. Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

November 2, 2021 EX-99.1

NFL Football Players, Janoris Jenkins, Devon Kennard and Denzel Perryman, to Launch NFT Collections on MaximNFT

Exhibit 99.1 NFL Football Players, Janoris Jenkins, Devon Kennard and Denzel Perryman, to Launch NFT Collections on MaximNFT WENZHOU, China, Nov. 2, 2021 /PRNewswire/ - ZK International Group Co., Ltd's (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), and its subsidiary xSigma Collectibles ("xSigma"), is excited to announce that three NFL players will soon launch unique NFT collection

November 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021. Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

October 28, 2021 EX-99.1

ZK International's Subsidiary’s Project, MaximNFT, Will Be Sponsoring the World’s Largest NFT Event, NFT.NYC

Exhibit 99.1 ZK International's Subsidiary?s Project, MaximNFT, Will Be Sponsoring the World?s Largest NFT Event, NFT.NYC WENZHOU, China, October 28, 2021 /PRNewswire/ - ZK International Group Co., Ltd?s (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the ?Company?), and its subsidiary xSigma Collectibles (?xSigma?), is pleased to announce that MaximNFT will be sponsoring NFT.NYC, the world?s leadin

October 28, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

October 21, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

October 21, 2021 EX-99.1

ON THE HEELS OF THE TOTAL CRYPTOCURRENCY MARKET CAP HITTING $2.6 TRILLION, ZK INTERNATIONAL’S SUBSIDIARY xSIGMA LAUNCHES ITS BETA FOR TWO TRADING PLATFORMS FOR CFDs, CRYPTO, CRYPTO OPTIONS AND CRYPTO DERIVATIVES

Exhibit 99.1 ON THE HEELS OF THE TOTAL CRYPTOCURRENCY MARKET CAP HITTING $2.6 TRILLION, ZK INTERNATIONAL?S SUBSIDIARY xSIGMA LAUNCHES ITS BETA FOR TWO TRADING PLATFORMS FOR CFDs, CRYPTO, CRYPTO OPTIONS AND CRYPTO DERIVATIVES WENZHOU, China, Oct. 21, 2021 /PRNewswire/ - ZK International Group Co., Ltd's (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), and its subsidiary xSigma Trading

October 21, 2021 EX-99.2

ZK International Announces Plan To Seek Potential Distribution

Exhibit 99.2 ZK International Announces Plan To Seek Potential Distribution NEWS PROVIDED BY ZK International Group Co., Ltd. Oct 20, 2021, 08:30 ET WENZHOU, China, Oct. 20, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products pr

October 8, 2021 EX-99.1

ZK International Invests an Additional $10 Million in Maximbet

Exhibit 99.1 ZK International Invests an Additional $10 Million in Maximbet WENZHOU, China, Sept. 15, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), is pleased to announce that it has made an additional investment of $10M in Maximbet.com ("Maximbet"), increasing its ownership stake in the rapidly-growing sports betting and casino

October 8, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

October 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021. Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

August 27, 2021 EX-99.1

ZK International’s Blockchain Innovation Hub, xSigma, Launches MaximNFT.com, an Exclusive NFT Marketplace in Partnership with Maxim

Exhibit 99.1 ZK International?s Blockchain Innovation Hub, xSigma, Launches MaximNFT.com, an Exclusive NFT Marketplace in Partnership with Maxim WENZHOU, China, August 26, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?) has formed a wholly owned subsidiary, xSigma Collectibles Limited (?xSigma?), and entered into a partnership agree

August 27, 2021 EX-4.1

Form of Debenture (Exhibit 4.1 to the Form 6-K furnished on August 27, 2021 and is incorporated herein by reference)

Exhibit 4.1 ZK INTERNATIONAL GROUP CO., LTD (??????????) Convertible Debenture Principal Amount: $ Debenture Issuance Date: Debenture Number: ZKIN- FOR VALUE RECEIVED, ZK INTERNATIONAL GROUP CO., LTD (??????????), a British Virgin Islands company (the "Company"), hereby promises to pay to the order of [ ], or its registered assigns (the "Holder") the amount set out above as the Principal Amount (a

August 27, 2021 EX-10.1

Securities Purchase Agreement, dated as of August 25, 2021 by and among the Company and certain investors (Exhibit 10.1 to the Form 6-K furnished on August 27, 2021 and is incorporated herein by reference)

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT THIS SECURITIES PURCHASE AGREEMENT (this ?Agreement?), dated as of August 25, 2021, is between ZK INTERNATIONAL GROUP CO., LTD (??????????), a company incorporated under the laws of the British Virgin Islands, with headquarters located at No. 678 Dingxiang Road, Binhai Industrial Park, Economic & Technology Development Zone, Wenzhou, Zhejiang Province, Ch

August 27, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

August 27, 2021 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People?s Republic of China 325025 PROXY STATEMENT AND NOTICE OF ANNUAL MEETING OF SHAREHOLDERS To the shareholders of August 27, 2021 ZK International Group Co., Ltd. Wenzhou, China To our sharehold

August 27, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

August 26, 2021 424B5

ZK INTERNATIONAL GROUP CO., LTD $12,679,000 of Convertible Debentures Up to 5,125,086 ordinary shares underlying Convertible Debentures

Filed Pursuant to Rule 424(b)(5) Registration No. 333-230860 PROSPECTUS SUPPLEMENT (To Prospectus dated April 12, 2019) ZK INTERNATIONAL GROUP CO., LTD $12,679,000 of Convertible Debentures Up to 5,125,086 ordinary shares underlying Convertible Debentures This prospectus supplement and the accompanying base prospectus relates to a self-underwritten offering of convertible debentures in the princip

August 26, 2021 EX-99.1

OPERATING AND FINANCIAL REVIEW AND PROSPECTS IN CONNECTION WITH THE UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED MARCH 31, 2021 AND 2020

Exhibit 99.1 OPERATING AND FINANCIAL REVIEW AND PROSPECTS IN CONNECTION WITH THE UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED MARCH 31, 2021 AND 2020 In this report, as used herein, and unless the context suggests otherwise, the terms ?ZK? ?Company? ?we? ?us? or ?ours? refer to the combined business of ZK International Group Co., Ltd., its subsidiaries. References t

August 26, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

August 26, 2021 EX-99.3

ZK International Group Co., Ltd. Announces Record Revenue of $42.17 Million, an Increase of 4.98% for the First Half of Fiscal Year 2021

Exhibit 99.3 ZK International Group Co., Ltd. Announces Record Revenue of $42.17 Million, an Increase of 4.98% for the First Half of Fiscal Year 2021 WENZHOU, China, August 26, 2021 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily us

August 26, 2021 EX-99.2

ZK International Group Co., Ltd. and Subsidiaries Consolidated Balance Sheets As of March 31, 2021 and September 30, 2020 (Unaudited) (IN U.S. DOLLARS)

Exhibit 99.2 ZK International Group Co., Ltd. and Subsidiaries Consolidated Balance Sheets As of March 31, 2021 and September 30, 2020 (Unaudited) (IN U.S. DOLLARS) 2021 2020 Assets Current assets Cash and cash equivalents $ 23,792,863 $ 3,759,535 Short-term Investment - 294,568 Accounts receivable, net of allowance for doubtful accounts of $2,098,282 and $2,020,373, respectively 25,772,075 31,393

August 13, 2021 EX-99.1

ZK International’s Portfolio Company, Maximbet, Enters Partnership With White Mountain Apache Tribe In Pursuit Of Online Sports Betting License In Arizona Lifestyle sports betting brand, MaximBet, targets imminent Arizona launch through partnership w

Exhibit 99.1 ZK International?s Portfolio Company, Maximbet, Enters Partnership With White Mountain Apache Tribe In Pursuit Of Online Sports Betting License In Arizona Lifestyle sports betting brand, MaximBet, targets imminent Arizona launch through partnership with the owners of Hon-Dah Resort Casino WENZHOU, China, August 12, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?

August 13, 2021 EX-10.2

Amendment to the Subscription of Shares Agreement between CG Malta and xSigma dated August 4, 2021 (incorporated by reference to exhibit 10.2 to the report of foreign private issuer on Form 6-K of the Company filed on August 13, 2021)

Exhibit 10.2 AMENDMENT TO THE SUBSRIPTION OF SHARES AGREEMENT BETWEEN CG MALTA HOLDING LIMITED AND XSIGMA ENTERTAINMENT LTD. THE SUBSCRIPTION OF SHARES AGREEMENT entered into by the Parties on the 4th day of April, 2021 is, by mutual agreement of the Parties, hereby amended as of this 4th day of August, 2021. WHEREAS: 2.2 The Parties agree that the Second Shares shall be subscribed by the Subscrib

August 13, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

April 8, 2021 EX-10.2

Shareholders Agreement among shareholders of CG Malta dated April 4, 2021 (Exhibit 10.2 to the Form 6-K furnished on April 8, 2021 and is incorporated herein by reference)

Exhibit 10.2 CG MALTA HOLDING LIMITED SHAREHOLDERS AGREEMENT SHAREHOLDERS AGREEMENT This SHAREHOLDERS AGREEMENT (this ?Agreement?) is entered into on this 4th day of April of the year 2021 and made between the following Parties: A. CG Malta Holding Limited, a limited liability company incorporated and registered in Malta bearing company number C 87174 and having its registered office situated at L

April 8, 2021 EX-10.1

Subscription of Shares Agreement between CG Malta and xSigma dated April 4, 2021 (incorporated by reference to exhibit 10.1 to the report of foreign private issuer on Form 6-K of the Company filed on August 13, 2021)

Exhibit 10.1 SUBSCRIPTION OF SHARES AGREEMENT between CG Malta Holding Limited and xSigma Entertainment Limited SUBSCRIPTION OF SHARES AGREEMENT This Subscription of Shares Agreement (hereinafter referred to as the ?Agreement?) is being entered into this 4th day of the month of April, of the year 2021. Between: On the first part:- CG Malta Holding Limited, a limited liability company incorporated

April 8, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

April 5, 2021 EX-10.1

Consulting Agreement between the Company and Susan Kilkenny dated April 5, 2021 (Exhibit 10.1 to the Form 6-K furnished on April 5, 2021 and is incorporated herein by reference)

CONSULTING AGREEMENT This Consulting Agreement (the ?Agreement?) is made as of this 5th day of April, 2021 (the ?Effective Date?) by and between Susan Kilkenny, (the ?Consultant?), and ZK International Group Co.

April 5, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

March 31, 2021 EX-3.1

Amended and Restated Memorandum and Articles of Association of ZK International Group Co., Ltd (Exhibit 1.1 to the Form 6-K furnished on June 28, 2022 and is incorporated herein by reference)

EX-3.1 2 tm2111527d1ex3-1.htm EXHIBIT 3.1 Exhibit 3.1

March 31, 2021 EX-99.1

ZK International Forms xSigma Entertainment with the Intention of Acquiring Online Gaming Assets

Exhibit 99.1 ZK International Forms xSigma Entertainment with the Intention of Acquiring Online Gaming Assets WENZHOU, China, March 24, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) ("ZKIN", "ZK International" or the "Company"), is pleased to announce that the Company has formed a new wholly-owned subsidiary, xSigma Entertainment Limited, with the intent of acquiring online g

March 31, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

March 31, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

March 31, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

March 31, 2021 EX-99.1

Zk International’s Subsidiary, Xsigma Secures an Industry Leader CEO for its Xsigma Trading Division, Getting Ready to Launch Its Crypto, Crypto Derivative and CFDs Trading Platform.

Exhibit 99.1 Zk International’s Subsidiary, Xsigma Secures an Industry Leader CEO for its Xsigma Trading Division, Getting Ready to Launch Its Crypto, Crypto Derivative and CFDs Trading Platform. WENZHOU, China, March 25, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZKIN”, “ZK International” or the “Company”), is pleased that, xSigma Corporation, a subsidiary of the Compan

March 31, 2021 EX-10.1

2021 Equity Incentive Plan (Exhibit 10.1 to the Form 6-K furnished on March 31, 2021 and is incorporated herein by reference)

EX-10.1 3 tm2111527d1ex10-1.htm EXHIBIT 10.1 Exhibit 10.1 ZK INTERNATIONAL GROUP CO., LTD. (正康国际集团有限公司) 2021 EQUITY INCENTIVE PLAN 1. Purpose. The purpose of the ZK International Group Co., Ltd. 2021 Equity Incentive Plan is to provide a means through which the Company and its Affiliates may attract and retain key personnel and to provide a means whereby directors, officers, managers, employees, c

March 26, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

March 24, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

March 24, 2021 EX-99.1

ZK International Expands its Market to Western China as it Wins a Two Year Procurement Bid to Supply for the Municipal Gas Infrastructure with Guangyuan Natural Gas Supply Group

Exhibit 99.1 ZK International Expands its Market to Western China as it Wins a Two Year Procurement Bid to Supply for the Municipal Gas Infrastructure with Guangyuan Natural Gas Supply Group WENZHOU, China, March 23, 2021 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (“ZKIN”, “ZK International” or the “Company”), a designer, engineer, manufacturer, and supplier of patented high-pe

March 23, 2021 424B5

ZK INTERNATIONAL GROUP CO., LTD 4,000,000 Ordinary Share

Filed Pursuant to Rule 424(b)(5) Registration No. 333-230860 PROSPECTUS SUPPLEMENT (To Prospectus dated April 12, 2019) ZK INTERNATIONAL GROUP CO., LTD 4,000,000 Ordinary Share We are offering in a self-underwritten offering 4,000,000 ordinary shares, with no par value, directly to select investors pursuant to this prospectus supplement and the accompanying prospectus. We are offering the ordinary

March 23, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

February 25, 2021 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

February 23, 2021 6-K

Current Report of Foreign Issuer -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

February 23, 2021 EX-4.2

Form of Warrant (Exhibit 4.2 to the Form 6-K furnished on February 23, 2021 and is incorporated herein by reference)

Exhibit 4.2 ZK International Group Co., Ltd. FORM OF WARRANT TO PURCHASE ORDINARY SHARES Warrant No.: 2021-[] Date of Issuance: February 24, 2021 (?Issuance Date?) THIS PURCHASE WARRANT (this ?Warrant?) certifies that, for value received, [], or his, her or its assigns (the ?Holder?) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at

February 23, 2021 424B5

ZK INTERNATIONAL GROUP CO., LTD Up to 1,295,775 Units Each Unit Consisting of One Ordinary Share And Two Warrants to Each Purchase One Ordinary Share

Filed Pursuant to Rule 424(b)(5) Registration No. 333-230860 PROSPECTUS SUPPLEMENT (To Prospectus dated April 12, 2019) ZK INTERNATIONAL GROUP CO., LTD Up to 1,295,775 Units Each Unit Consisting of One Ordinary Share And Two Warrants to Each Purchase One Ordinary Share We are offering in a self-underwritten offering up to 1,295,775 units (the “Units”), with each Unit consisting of ordinary share a

February 23, 2021 EX-4.1

Form of Warrant (Exhibit 4.1 to the Form 6-K furnished on February 23, 2021 and is incorporated herein by reference)

Exhibit 4.1 ZK International Group Co., Ltd. FORM OF WARRANT TO PURCHASE ORDINARY SHARES Warrant No.: 2021-[] Date of Issuance: February 24, 2021 (?Issuance Date?) THIS PURCHASE WARRANT (this ?Warrant?) certifies that, for value received, [], or his, her or its assigns (the ?Holder?) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at

February 23, 2021 EX-10.1

Consultancy Agreement between ZK International Group Co., Ltd. and Dentoro Alliance LP, dated February 15, 2021 (Exhibit 10.1 to the Form 6-K furnished on February 23, 2021 and is incorporated herein by reference)

Exhibit 10.1 CONSULTANCY AGREEMENT This Consultancy Agreement (the ?Agreement?) is made as of this 15th day of February, 2021 (the ?Effective Date?) and being acknowledged by the parties hereof effective by and between Dentoro Alliance LP, a company incorporated in the Republic of Ireland (the ?Consultant?), and ZK International Group Co., Ltd., a British Virgin Islands exempted company (the ?Comp

February 23, 2021 EX-10.1

Securities Purchase Agreement, dated as of February 22, 2021 by and among the Company and certain investors

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT THIS SECURITIES PURCHASE AGREEMENT (this ?Agreement?), dated as of February 22, 2021, is between ZK INTERNATIONAL GROUP CO., LTD, a company incorporated under the laws of the British Virgin Islands, with headquarters located at No. 678 Dingxiang Road, Binhai Industrial Park, Economic & Technology Development Zone, Wenzhou, Zhejiang Province, China 325025

February 23, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

February 9, 2021 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

February 9, 2021 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

February 9, 2021 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

February 9, 2021 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

February 9, 2021 20-F

our Annual Report on Form 20-F for the fiscal year ended September 30, 2020;

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2020 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES

February 1, 2021 NT 20-F

- NT 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 SEC FILE NUMBER 001-38146 CUSIP NUMBER NOTIFICATION OF LATE FILING G9892K100 (Check one): ¨ Form 10-K x Form 20-F ¨ Form 11-K ¨ Form 10-Q ¨ Form 10-D ¨ Form N-SAR ¨ Form N-CSR For Period Ended: September 30, 2020 ¨ Transition Report on Form 10-K ¨ Transition Report on Form 20-F ¨ Transition Report on Form 11-K ¨ Tr

January 8, 2021 EX-10.1

Form of Securities Purchase Agreement between the Company and the investors (Exhibit 10.1 to the Form 6-K furnished on January 8, 2021 and is incorporated herein by reference)

EX-10.1 3 tm212239d1ex10-1.htm EXHIBIT 10.1 Exhibit 10.1 SECURITIES PURCHASE AGREEMENT THIS SECURITIES PURCHASE AGREEMENT (this “Agreement”), dated as of December 23, 2020, is between ZK INTERNATIONAL GROUP CO., LTD, a company incorporated under the laws of the British Virgin Islands, with headquarters located at No. 678 Dingxiang Road, Binhai Industrial Park, Economic & Technology Development Zon

January 8, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2021. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

December 22, 2020 424B5

ZK INTERNATIONAL GROUP CO., LTD 1,785,000 Ordinary Shares

Filed Pursuant to Rule 424(b)(5) Registration No. 333-230860 PROSPECTUS SUPPLEMENT (To Prospectus dated April 12, 2019) ZK INTERNATIONAL GROUP CO., LTD 1,785,000 Ordinary Shares We are offering 1,785,000 of our ordinary shares, no par value per share directly to select investors pursuant to this prospectus supplement and the accompanying prospectus. We are offering the ordinary shares in this offe

October 20, 2020 EX-10.2

Form of Debenture (Exhibit 10.2 to the Form 6-K furnished on October 20, 2020 and is incorporated herein by reference)

Exhibit 10.2 ZK INTERNATIONAL GROUP CO., LTD (正康国际集团有限公司) Convertible Debenture Principal Amount: $ Debenture Issuance Date: Debenture Number: ZKIN- FOR VALUE RECEIVED, ZK INTERNATIONAL GROUP CO., LTD (正康国际集团有限公司), a British Virgin Islands company (the "Company"), hereby promises to pay to the order of [ ], or its registered assigns (the "Holder") the amount set out above as the Principal Amount (

October 20, 2020 EX-10.1

Form of Securities Purchase Agreement between the Company and the investors (Exhibit 10.1 to the Form 6-K furnished on October 20, 2020 and is incorporated herein by reference)

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT THIS SECURITIES PURCHASE AGREEMENT (this “Agreement”), dated as of October 16, 2020, is between ZK INTERNATIONAL GROUP CO., LTD (正康国际集团有限公司), a company incorporated under the laws of the British Virgin Islands, with headquarters located at No. 678 Dingxiang Road, Binhai Industrial Park, Economic & Technology Development Zone, Wenzhou, Zhejiang Province, C

October 20, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2020. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

October 7, 2020 6-K

Current Report of Foreign Issuer - 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2020. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

September 22, 2020 424B5

ZK INTERNATIONAL GROUP CO., LTD $1,400,000 of Convertible Debentures Up to 2,370,968 Ordinary Shares underlying Convertible Debentures

Filed Pursuant to Rule 424(b)(5) Registration No. 333-230860 PROSPECTUS SUPPLEMENT (To Prospectus dated April 12, 2019) ZK INTERNATIONAL GROUP CO., LTD $1,400,000 of Convertible Debentures Up to 2,370,968 Ordinary Shares underlying Convertible Debentures This prospectus supplement is offering $1,400,000 in the principal amount of convertible debentures (the “Convertible Debentures”) directly by th

September 4, 2020 6-K

August 11, 2020, September 4, 2020, October 7, 2020 and October 20, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2020. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 4, 2020 EX-99.1

ZK International Group Co., Ltd. Announces Record Revenue of $40.17 Million, an Increase of 27.4% for the First Half of Fiscal Year 2020

Exhibit 99.1 ZK International Group Co., Ltd. Announces Record Revenue of $40.17 Million, an Increase of 27.4% for the First Half of Fiscal Year 2020 WENZHOU, China, Sept. 4, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used

August 11, 2020 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE OF ANNUAL MEETING OF SHAREHOLDERS To the shareholders of August 11, 2020 ZK International Group Co., Ltd. Wenzhou, China To our sharehold

August 11, 2020 6-K

August 11, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2020. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

June 22, 2020 6-K

June 22, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

June 22, 2020 EX-99.1

ZK International to Release Corporate Update and Corporate Video

Exhibit 99.1 ZK International to Release Corporate Update and Corporate Video WENZHOU, China, June 22, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used for water and gas supplies, today announced that it plans to release a

June 12, 2020 EX-99.1

ZK International Enters into Budgeted $49.7 Million Expansion, Supplying and Distribution Framework Arrangement with Shandong Huaye Group

Exhibit 99.1 ZK International Enters into Budgeted $49.7 Million Expansion, Supplying and Distribution Framework Arrangement with Shandong Huaye Group June 12, 2020 WENZHOU, China, June 12, 2020 /PRNewswire/ - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel

June 12, 2020 6-K

June 12, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

May 14, 2020 EX-99.2

ZK International Recognized as an “Intellectual Property Superiority Enterprise”, One of the Highest Intellectual Property Designations in China

Exhibit 99.2 ZK International Recognized as an “Intellectual Property Superiority Enterprise”, One of the Highest Intellectual Property Designations in China WENZHOU, China, May 11, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primari

May 14, 2020 EX-99.1

ZK International Group Co., Ltd. Engages U.S. Sterling Securities, Inc. as Placement Agent for Non-Financing and Financing Transactions

Exhibit 99.1 ZK International Group Co., Ltd. Engages U.S. Sterling Securities, Inc. as Placement Agent for Non-Financing and Financing Transactions WENZHOU, China, May 11, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used f

May 14, 2020 6-K

May 14, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant’s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, B

April 15, 2020 EX-99.1

ZK International Expands its Sales Network into 65 Design Centers and Studios across 30 Cities with a Leading Home Improvement and Interior Design Chain in Hunan Province

Exhibit 99.1 ZK International Expands its Sales Network into 65 Design Centers and Studios across 30 Cities with a Leading Home Improvement and Interior Design Chain in Hunan Province WENZHOU, China, Apr. 15, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon

April 15, 2020 6-K

April 15, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

April 8, 2020 EX-99.1

ZK International Group Co., Ltd. Provides Update on COVID-19 (Coronavirus) and Pre-Announces Revenues for the First Half of Fiscal Year 2020

Exhibit 99.1 ZK International Group Co., Ltd. Provides Update on COVID-19 (Coronavirus) and Pre-Announces Revenues for the First Half of Fiscal Year 2020 WENZHOU, China, April 8, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily

April 8, 2020 6-K

April 8, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

February 14, 2020 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* ZK International Group Co. Ltd. (Name of Issuer) Ordinary Shares (Title of Class of Securities) G9892K100 (CUSIP Number) December 31, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 3, 2020 6-K

February 3, 2020

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

February 3, 2020 EX-99.1

ZK International Group Co., Ltd. Announces Record Revenue of $63.9 Million for Fiscal Full Year 2019 As measured in RMB, Revenue Increased by Approximately 22.4% to RMB 439 Million

Exhibit 99.1 ZK International Group Co., Ltd. Announces Record Revenue of $63.9 Million for Fiscal Full Year 2019 As measured in RMB, Revenue Increased by Approximately 22.4% to RMB 439 Million WENZHOU, China, Jan. 31, 2020 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel a

January 31, 2020 20-F

Annual Report on Form 20-F for the fiscal year ended September 30, 2019

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2019 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES

January 31, 2020 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

January 31, 2020 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

January 31, 2020 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the ?Company?), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

January 31, 2020 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

January 23, 2020 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2020 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2020 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

January 23, 2020 EX-99.1

ZK International Attends the NAHB International Builders’ Show 2020 in Las Vegas

Exhibit 99.1 ZK International Attends the NAHB International Builders? Show 2020 in Las Vegas WENZHOU, China, Jan. 23, 2020/PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq symbol: ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used for water and gas supplies,

October 10, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2019. Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

October 10, 2019 EX-99.1

Supply up to $5.8 Million Worth of Stainless Steel Pipes and Fittings for Phase VI of Shenzhen's Community Pipeline Network Upgrade Program

Exhibit 99.1 Supply up to $5.8 Million Worth of Stainless Steel Pipes and Fittings for Phase VI of Shenzhen's Community Pipeline Network Upgrade Program WENZHOU, China, Oct. 10, 2019 /PRNewswire/ - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe product

September 17, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2019. Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 17, 2019 EX-99.1

ZK International Group Co., Ltd. Announces Record Revenue of $31.5 Million, An Increase of 18.6% for the Fiscal First Half of 2019

Exhibit 99.1 ZK International Group Co., Ltd. Announces Record Revenue of $31.5 Million, An Increase of 18.6% for the Fiscal First Half of 2019 WENZHOU, China, September 17, 2019 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used

September 12, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2019 Commission File Number: 001

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2019 Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

August 21, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2019. Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August, 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Ro

August 21, 2019 EX-99.1

ZK International to Benefit from New Green Building Standard That Went into Effect on August 1, 2019

Exhibit 99.1 ZK International to Benefit from New Green Building Standard That Went into Effect on August 1, 2019 WENZHOU, China, Aug. 20, 2019 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products primarily used for water and gas supplies, today a

August 1, 2019 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People?s Republic of China 325025 PROXY STATEMENT AND NOTICE OF ANNUAL MEETING OF SHAREHOLDERS To the shareholders of July 31, 2019 ZK International Group Co., Ltd. Wenzhou, China To our shareholder

August 1, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2019. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2019. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

July 8, 2019 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the ?Company?), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company?s annual repor

July 8, 2019 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the ?Company?), certify that: 1. I have reviewed this annual report on Form 20-F/A of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omi

July 8, 2019 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the ?Company?), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company?s annual repo

July 8, 2019 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (AMENDMENT NO.1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (AMENDMENT NO.1) (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2018 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) O

July 8, 2019 CORRESP

ZK International Group Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zheijiang Province People’s Republic of China 325025

ZK International Group Co., Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zheijiang Province People?s Republic of China 325025 July 8, 2019 Via E-Mail Division of Corporation Finance Officer of Manufacturing and Construction U.S. Securities and Exchange Commission Washington, D.C. 20549-4631 Re: ZK International Group Co., Ltd. Annual Report on

July 8, 2019 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the ?Company?), certify that: 1. I have reviewed this annual report on Form 20-F/A of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

July 3, 2019 CORRESP

July 3, 2019

July 3, 2019 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing and Construction 100 F.

June 18, 2019 CORRESP

June 18, 2019

June 18, 2019 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Manufacturing and Construction 100 F.

April 26, 2019 CORRESP

ZK International Group Co., Ltd. c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Ind. Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025

ZK International Group Co., Ltd. c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binhai Ind. Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People?s Republic of China 325025 April 26, 2019 Via E-Mail U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-4631 Re: ZK International Group Co., Ltd. (the ?Company?) Registration Sta

April 17, 2019 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2019. Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Roa

April 17, 2019 EX-99.1

ZK International Issues Revenue Guidance of 25% Year-over-Year Growth for Fiscal Year 2019

Exhibit 99.1 ZK International Issues Revenue Guidance of 25% Year-over-Year Growth for Fiscal Year 2019 WENZHOU, China, April 17, 2019 - ZK International Group Co., Ltd. (ZKIN) ("ZK International" or the "Company"), today provides revenue guidance for the fiscal year 2019. The Company anticipates revenue to increase by $13.7 million, or 25%, to approximately $68.6 million for the fiscal year endin

April 15, 2019 F-3

As filed with the Securities and Exchange Commission on April 12, 2019

As filed with the Securities and Exchange Commission on April 12, 2019 Registration No.

February 14, 2019 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* ZK International Group Co. Ltd. (Name of Issuer) Ordinary Shares (Title of Class of Securities) G9892K100 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to

February 11, 2019 6-K

our Report on Form 6-K, furnished to the SEC on February 11, 2019, with respect to certain press releases;

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

February 11, 2019 EX-99.1

ZK International Awarded the Championship Enterprise Award as One of the Top Ten Manufacturing Companies in China at China’s Fourth Annual Manufacturing Power Forum

Exhibit 99.1 ZK International Awarded the Championship Enterprise Award as One of the Top Ten Manufacturing Companies in China at China?s Fourth Annual Manufacturing Power Forum WENZHOU, China, February 11, 2019 - ZK International Group Co., Ltd. (NASDAQ: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless ste

February 4, 2019 EX-99.1

ZK International Announces Record Revenue of $54.9 million, a 22.1% Increase Year-Over-Year, for the Fiscal Year 2018 Gross profit increases 39.5% year-over-year to $18.3 million driven by an increase in gross profit margins to 33.3%

Exhibit 99.1 ZK International Announces Record Revenue of $54.9 million, a 22.1% Increase Year-Over-Year, for the Fiscal Year 2018 Gross profit increases 39.5% year-over-year to $18.3 million driven by an increase in gross profit margins to 33.3% WENZHOU, China, February 4, 2019 - ZK International Group Co., Ltd. (NASDAQ: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, m

February 4, 2019 6-K

our Report on Form 6-K, furnished to the SEC on February 4, 2019, with respect to certain press releases; and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2019. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

January 31, 2019 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

January 31, 2019 20-F

our Annual Report on Form 20-F for the fiscal year ended September 30, 2018, including any amendments, initially filed with the SEC on January 31, 2019;

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2018 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES

January 31, 2019 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

January 31, 2019 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the ?Company?), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

January 31, 2019 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

October 9, 2018 EX-99.1

ZK International Wins Leading Bid to Supply Up to $3M of Stainless Steel Piping to One of China’s Top 40 Most Influential Water Group Companies, Zhuhai Water Environmental Holding Group

Exhibit 99.1 ZK International Wins Leading Bid to Supply Up to $3M of Stainless Steel Piping to One of China?s Top 40 Most Influential Water Group Companies, Zhuhai Water Environmental Holding Group WENZHOU, China, October 8, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patente

October 9, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2018. Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang R

September 18, 2018 EX-99.1

ZK International Announces Gross Profit Increase of 44.6% Driven by Record Revenue of $26.6 Million for the Fiscal First Half of 2018

Exhibit 99.1 ZK International Announces Gross Profit Increase of 44.6% Driven by Record Revenue of $26.6 Million for the Fiscal First Half of 2018 WENZHOU, China, September 18, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (NASDAQ: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon ste

September 18, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 13, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 13, 2018 EX-99.1

ZK International to Participate in the 20th Annual Edition of Future Energy East Africa in Nairobi, Kenya

Exhibit 99.1 ZK International to Participate in the 20th Annual Edition of Future Energy East Africa in Nairobi, Kenya WENZHOU, China, September 13, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (NASDAQ: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products that requir

September 10, 2018 EX-99.1

ZK International to Participate in the POWERex Asia 2018 International Expo

Exhibit 99.1 ZK International to Participate in the POWERex Asia 2018 International Expo WENZHOU, China, September 7, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (NASDAQ: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products that require sophisticated water or gas pi

September 10, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 10, 2018 EX-99.2

ZK International Chairman and CEO Converts Approximately $9.3 Million in Debt into Restricted Equity

Exhibit 99.2 ZK International Chairman and CEO Converts Approximately $9.3 Million in Debt into Restricted Equity WENZHOU, China, September 10, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products that require sop

September 7, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang

September 7, 2018 EX-10.1

Debt Settlement and Mutual Release Agreement between the Registrant and Jiancong Huang dated August 15, 2018

Exhibit 10.1 Debt Settlement and Mutual Release Agreement Dated as of August 15, 2018 This Debt Settlement and Mutual Release Agreement (the ?Agreement?) is entered into as of the date first set forth above (the ?Effective Date?), by and between (i) ZK International Group Co. Ltd., a British Virgin Islands company (the ?Company?) and (ii) Jiancong Huang (?Mr. Huang?). Each of the Company and Mr. H

August 2, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO Section 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Month of August, 2018 Commission File Number: 001-38146 Z

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO Section 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Month of August, 2018 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Bin

August 2, 2018 EX-99.1

ZK International Selected as a Major Supplier during Annual Bid for Municipal Water Supply Infrastructure with Changsha Water Group

Exhibit 99.1 ZK International Selected as a Major Supplier during Annual Bid for Municipal Water Supply Infrastructure with Changsha Water Group WENZHOU, China, August 2, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pip

July 25, 2018 EX-16.1

July 25, 2018

Exhibit 16.1 July 25, 2018 U.S. Securities and Exchange Commission Office of the Chief Accountant 100F Street Northeast Washington, DC 20549-2000 Re: ZK International Group Co., Ltd. File number: 001-38146 Dear Sir or Madam: We have read Item 4.01 of Form 6-k dated July 25, 2018 of ZK International Group Co., Ltd. (“the Registrant”) and are in agreement with the statements concerning therein as it

July 25, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO Section 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Month of July, 2018 Commission File Number: 001-38146 ZK

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO Section 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Month of July, 2018 Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road, Binha

July 18, 2018 EX-99.1

ZK International Develops Intelligent Piping System – A Smart Pipe Revolutionizing the Industry

Exhibit 99.1 ZK International Develops Intelligent Piping System ? A Smart Pipe Revolutionizing the Industry WENZHOU, China, July 18, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), in conjunction with its wholly owned subsidiary, xSigma Corp., reveals the development of the world's first smart pipe revolutionizing the stainless st

July 18, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2018. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

June 29, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

June 27, 2018 EX-99.1

ZK International Hosts Annual Foshan Stainless Steel Committee Stainless Steel Pipe Industry Conference

Exhibit 99.1 ZK International Hosts Annual Foshan Stainless Steel Committee Stainless Steel Pipe Industry Conference WENZHOU, China, June 27, 2018/PRNewswire/- ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), a designer, engineer, manufacturer, and supplier of patented high-performance stainless steel and carbon steel pipe products that require sophist

June 27, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL GROUP CO., LTD. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

June 21, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

June 21, 2018 EX-99.1

ZK International & XSigma Adopt Pioneering New Technology to Revolutionize its Manufacturing Capabilities

Exhibit 99.1 ZK International & XSigma Adopt Pioneering New Technology to Revolutionize its Manufacturing Capabilities WENZHOU, China, June 21, 2018 /PRNewswire/ - ZK International Group Co., Ltd. (Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?) and its subsidiary, XSigma Corporation (www.xsigma.io), is pleased to announce the third component of its licensed technology, which allows th

June 19, 2018 EX-12.2

Certification of Chief Financial Officer Required by Rule 13a-14(a)

Exhibit 12.2 Certification by the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit t

June 19, 2018 EX-13.2

Certification of Chief Financial Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.2 Certification by the Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Shaochai Yang, Chief Financial Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repor

June 19, 2018 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F/A (Mark One) ? REGISTRATION STATEMENT PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2017 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIE

June 19, 2018 EX-13.1

Certification of Chief Executive Officer Required by Rule 13a-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code

Exhibit 13.1 Certification by the Principal Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge: a. the Company’s annual repo

June 19, 2018 EX-12.1

Certification of Chief Executive Officer Required by Rule 13a-14(a)

Exhibit 12.1 Certification by the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 I, Jiancong Huang, Chief Executive Officer of ZK International Group Co., Ltd. (the “Company”), certify that: 1. I have reviewed this annual report on Form 20-F of the Company; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit

June 13, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-381

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of June, 2018. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road

June 13, 2018 EX-99.1

Emmy Award Winning Journalist Julie Frisoni Joins ZK International and its Subsidiary, xSigma Corporation

Exhibit 99.1 Emmy Award Winning Journalist Julie Frisoni Joins ZK International and its Subsidiary, xSigma Corporation WENZHOU, China, June 13, 2018/PRNewswire/- ZK International Group Co., Ltd.(Nasdaq: ZKIN) (?ZKIN?, ?ZK International? or the ?Company?), today announcedthat seven-time Emmy Award winning journalist and public relations agency owner, Julie Frisoni, has joined the advisory board of

May 31, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2018. Commission File Number: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2018. Commission File Number: 001-38146 ZK INTERNATIONAL group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

May 31, 2018 EX-21.1

List of Subsidiaries

EX-21.1 2 tv495044ex21-1.htm EXHIBIT 21.1 Exhibit 21.1 List of Subsidiaries Subsidiary Jurisdiction of incorporation or organization ZK Pipe Industry Co. Ltd. Hong Kong SAR Wenzhou Weijia Pipeline Development Co., Ltd. People’s Republic of China Zhejiang Zhengkang Industrial Co. Ltd. People’s Republic of China Wenzhou Zhengfeng Industry and Trade Co. Ltd. People’s Republic of China XSigma Corporat

May 31, 2018 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2018. Commission File Number: 001-3814

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May, 2018. Commission File Number: 001-38146 ZK International group Co., Ltd. (Translation of registrant?s name into English) c/o Zhejiang Zhengkang Industrial Co., Ltd. No. 678 Dingxiang Road,

May 31, 2018 EX-99.1

ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People’s Republic of China 325025 PROXY STATEMENT AND NOTICE

Exhibit 99.1 ZK INTERNATIONAL GROUP CO., LTD. C/O Zhejiang Zhengkang Industrial Co. Ltd. No. 678 Dingxiang Road, Binhai Industrial Park Economic & Technology Development Zone Wenzhou, Zhejiang Province People?s Republic of China 325025 PROXY STATEMENT AND NOTICE OF ANNUAL MEETING OF SHAREHOLDERS To the shareholders of May 30, 2018 ZK International Group Co., Ltd. Wenzhou, China To our shareholders

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