ZK International Group Co. Ltd. ZKIN

What this company does

The company primarily conducts its business through its subsidiary Zhejiang Zhengkang in China, with its core business focused on providing systematic solutions to construction projects that require sophisticated piping systems. It specializes in designing and producing pipes and fittings such as double-press thin-walled stainless steel tubes and fittings, carbon steel tubes and fittings and single-press tubes and fittings. Its products are primarily sold in China, but are also exported and distributed in Europe, Africa and Southeast Asia. Since Zhejiang Zhengkang's founding in 2001, the company has developed an array of patented pipe and fitting products that have been marketed and distributed both domestically and internationally. Wenzhou Weijia Pipeline Development Co., Ltd. was incorporated on June 17, 2015 under the laws of the People's Republic of China, as a wholly-owned subsidiary of ZK Pipe and a wholly foreign-owned entity under PRC laws. Located within the Wenzhou Binhai Industrial Park, a national economic development zone, its facility occupies approximately five acres, consisting of business offices, manufacturing plants, a research and development center and storage facilities.

Written from the business description in ZK International Group Co., Ltd.'s annual report to the U.S. Securities and Exchange Commission, filed 4 February 2026. Every sentence was checked against that document before publication.