ZK International (NASDAQ: ZKIN) highlights first-half 2025 earnings release in 6-K

Rhea-AI Filing Summary

ZK International Group Co., Ltd. furnished a report stating that it has issued a press release announcing its earnings results for the first half of fiscal year 2025. The press release, dated September 29, 2025, is attached as Exhibit 99.1 and incorporated by reference into this report.

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 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 Development Zone

Wenzhou, Zhejiang Province

People’s Republic of China 325025

(Address of principal executive offices)

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 ☐

On September 29, 2025, the Company issued a press release entitled “ZK International Group Co., Ltd. Announces Earnings Results for the First Half of Fiscal Year 2025.” A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

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EXHIBIT INDEX

Exhibit No.		Description
99.1		Press Release - ZK International Group Co., Ltd. Announces Earnings Results for the First Half of Fiscal Year 2025, dated September 29, 2025

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SIGNATURE

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.

	ZK International Group Co., Ltd.
Date: September 29, 2025	By:	/s/ Jiancong Huang
		Name:	Jiancong Huang
		Title:	Chief Executive Officer and Chairman of the Board

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FAQ

What does ZK International Group Co., Ltd. (ZKIN) disclose in this 6-K filing?

The filing states that ZK International Group Co., Ltd. has issued a press release announcing earnings results for the first half of fiscal year 2025. That press release, dated September 29, 2025, is attached as Exhibit 99.1 and incorporated by reference.

Which period do the latest ZKIN earnings results in this 6-K cover?

The press release referenced in the 6-K presents earnings results for the first half of fiscal year 2025. The exact financial figures are contained in Exhibit 99.1, which is the attached press release dated September 29, 2025.

How are ZK International’s (ZKIN) H1 2025 earnings results provided to investors?

The company provides its first-half 2025 earnings results through a press release titled “ZK International Group Co., Ltd. Announces Earnings Results for the First Half of Fiscal Year 2025.” This release is furnished as Exhibit 99.1 to the 6-K report.

What exhibit is included with ZK International’s September 2025 6-K filing?

The filing includes Exhibit 99.1, described as a press release titled “ZK International Group Co., Ltd. Announces Earnings Results for the First Half of Fiscal Year 2025,” dated September 29, 2025, which contains the detailed earnings information.

Who signed the September 29, 2025 6-K for ZK International (ZKIN)?

The 6-K is signed on behalf of ZK International Group Co., Ltd. by Jiancong Huang, who is identified as the company’s Chief Executive Officer and Chairman of the Board, dated September 29, 2025.

Does ZK International (ZKIN) report under Form 20-F or Form 40-F?

The filing indicates that ZK International Group Co., Ltd. reports under Form 20-F as a foreign private issuer, rather than under Form 40-F, for its annual reporting obligations to the U.S. Securities and Exchange Commission.