Zhejiang Changdian Pharmaceutical

Zhejiang Changdian Pharmaceutical Co., Ltd. is a specialized pharmaceutical company based in Hangzhou, China, that focuses on the research, development, and manufacturing of anti-infective drugs, particularly in the penicillin and cephalosporin categories. The company is a significant producer of Piperacillin and Tazobactam, which are critical for treating severe bacterial infections in clinical settings. Zhejiang Changdian Pharmaceutical operates modern, GMP-compliant facilities and provides both active pharmaceutical ingredients (APIs) and finished dosage forms to domestic and international markets. Beyond its antibiotic portfolio, the company also develops and manufactures clinical nutrition products, such as compound amino acid injections. Its business model emphasizes high-quality manufacturing and process innovation to support the global supply of essential medicines.