ZK International Group Co., Ltd. is a China-based designer and manufacturer of composite plastics and thermoplastic piping systems for residential, commercial and industrial applications. Through its wholly owned subsidiaries, the company develops, produces and distributes engineered composite materials for infrastructure, energy and environmental markets. Its product portfolio includes cross-linked polyethylene (PEX) piping, fittings and valve systems for hydronic heating, geothermal and solar thermal installations, as well as advanced thermoplastic compounds used in automotive, mining and construction sectors.
The company operates two primary business segments. The industrial thermoplastic composites segment supplies raw compounds, masterbatches and engineered plastics to original equipment manufacturers in diverse end markets. The engineered composites segment focuses on finished goods such as wind turbine blades, pressure pipes and customized extrusion profiles. ZK International’s piping solutions are marketed under the ZK PEX brand, and its composite wind blades are sold to major renewable energy developers both domestically and overseas.
Founded in 2003 and headquartered in Hangzhou, China, ZK International has grown through internal research and development as well as strategic acquisitions to broaden its product range and geographic reach. The company maintains manufacturing facilities in Zhejiang and Jiangsu provinces and distributes products across Asia, Europe, North America and Australia. Continuous investment in automation and quality control has enabled ZK International to meet increasingly stringent environmental standards and customer specifications.
Under the leadership of an experienced management team with backgrounds in polymer science, mechanical engineering and international business, ZK International emphasizes innovation and sustainability. The company collaborates with research institutes and industry partners to develop lower-carbon manufacturing processes and next-generation green materials. With a focus on expanding its global sales network and enhancing product performance, ZK International aims to capitalize on rising demand for energy-efficient and eco-friendly infrastructure solutions.
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