Exhibit 16.1

12361 Lewis St Ste 202 Garden Grove, CA 92840 Phone (714)-820-3316 Fax (714)-333-4992

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.