# EDGAR Filing Document

**Accession Number:** 0001687451
**File Stem:** 0001185185-26-002056
**Filing Date:** 2026-5
**Character Count:** 5304
**Document Hash:** aa479f79668d856c211c4ea27df56095
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001185185-26-002056.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0001185185-26-002056

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260521

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ZK International Group Co., Ltd.
- **CENTRAL INDEX KEY:** 0001687451
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS FABRICATED METAL PRODUCTS [3490]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** D8
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38146
- **FILM NUMBER:** 261008330

**BUSINESS ADDRESS:**
- **STREET 1:** NO. 678 DINGXIANG ROAD
- **STREET 2:** BINHAI INDUSTRIAL PARK
- **CITY:** WENZHOU
- **STATE:** F4
- **ZIP:** 325025
- **BUSINESS PHONE:** 8657786852999

**MAIL ADDRESS:**
- **STREET 1:** NOVASAGE CHAMBERS, PO BOX 4389
- **STREET 2:** ROAD TOWN
- **CITY:** TORTOLA
- **STATE:** D8
- **ZIP:** VG1110

**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 2026

Commission File Number: 001-38146

**ZK INTERNATIONAL GROUP CO., LTD.**

(Exact name of registrant as specified in its charter)

**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**

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

CHANGES IN REGISTRANTS' CERTIFYING ACCOUNTANT

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*(a) Dismissal of Certifying Accountant*

Effective April 2, 2026, ZK International Group Co., Ltd. (the "Company" or the "Registrant") dismissed its independent auditors, Fortune CPA, Inc. ("Fortune"), which action was approved by the Company's Board of Directors on April 1, 2026.

Fortune was engaged by the Company on June 2, 2024 and rendered a report on the Company's financial statements for the year ended September 30, 2023, 2024 and 2025. For the year ended September 30, 2023, 2024 and 2025 and through the date of this report, Fortune has neither provided any adverse opinion or qualifications on our financial statements nor had a disagreement with the Company since their engagement on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure, which disagreements that, if not resolved to Fortune's satisfaction, would have caused Fortune to make reference to the subject matter of the disagreement in connection with the audit of the Company's financial statements.

None of the reportable events described under Item 304(a)(1)(v)(A)-(D) of Regulation S-K occurred within period of the engagement of Fortune up to the date of dismissal.

Fortune has provided a letter to us, dated May 9, 2026 and addressed to the SEC, which is attached hereto as Exhibit 16.1 and is hereby incorporated herein by reference.

 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*(b) Engagement of New Certifying Accountant*

On May 13, 2026, we engaged Li CPA LLC ("New Auditor") as our independent auditors for the fiscal year ending September 30, 2026.

During the two most recent fiscal years and in the subsequent period through the date of this report, we have not consulted with New Auditor with respect to the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that would have been rendered on the our consolidated financial statements, or any other matters set forth in Item 304(a)(2)(i) or (ii) of Regulation S-K.

Financial Statements and Exhibits

<u>Exhibit No</u> <u>Description</u> <br> 16.1 [Letter of Fortune CPA, Inc. dated May 9, 2026, regarding change in independent registered public accounting firm.](zkinex16-1.htm)

**<br> SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | |
|:---|:---|:---|
| Date: May 21, 2026 | **ZK International Group Co., Ltd.** | **ZK International Group Co., Ltd.** |
|  | By: | */s/* Ruihong Ma |
|  |  | Ruihong Ma |
|  |  | Chief Executive Officer |

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## Exhibit 16.1

**Exhibit 16.1**

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|:---|:---|
| ![](ex16-1_001.jpg) | 12361 Lewis St Ste 202 Garden Grove, CA 92840<br> Phone (714)-820-3316 Fax (714)-333-4992 |

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May 9, 2026

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners,

We have reviewed form 6-K of ZK International Group Co., Ltd., which we understand its change in auditor. We agree with the statements made regarding our firm. We have no disagreement with the statements described in form 6-K.

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| |
|:---|
| Very truly yours, |
| /s/ Fortune CPA Inc. |

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