Zhejiang CR Sanjiu Zhongyi Pharmaceutical

Zhejiang CR Sanjiu Zhongyi Pharmaceutical is a key subsidiary of China Resources Sanjiu Medical & Pharmaceutical Co., Ltd., specializing in the development and large-scale manufacturing of chemical pharmaceuticals. Based in Xinchang, Zhejiang, the company is a major player in the Chinese anti-infective market, producing a wide range of antibiotics including cephalosporins and macrolides. Its flagship products include Cefaclor, Azithromycin, and Roxithromycin, which are widely used in treating respiratory and urinary tract infections. The company operates high-standard GMP manufacturing facilities and serves as a core production base for the parent group's chemical drug division. In addition to its anti-infective portfolio, the firm also produces treatments for cardiovascular and gastrointestinal conditions.