Shanghai Wechem Chemical Co., Ltd. (hereinafter referred to as "Shanghai Wechem") is a professional company registered in the Shanghai Free Trade Pilot Zone in China, formed by a group of professionals, and has many years of product manufacturing process and marketing experience.

Shanghai Wechem is one of China's advanced material suppliers. We provide special gases, special chemicals and related products and services for customers at home and abroad. The products involve various industrial fields, such as petrochemicals, steel, shipbuilding, aerospace, semiconductor chip manufacturing, solar energy, light-emitting diodes, flat panel displays, optical fibers, Medicine, food, etc.
Shanghai Zhongwei passed standardized certification to ensure the control of business processes, including

ISO9001:2008

ISO14001:2004

OHSAS18001:2007