Suzhou Fourth Pharmaceutical Factory

Suzhou Fourth Pharmaceutical Factory, also known as Suzhou No. 4 Pharmaceutical Factory, is a long-standing Chinese pharmaceutical company founded in 1952 and based in Suzhou. Now a subsidiary of Grand Pharma, the company specializes in the research, development, and large-scale manufacturing of active pharmaceutical ingredients (APIs) and finished drug products. Its core product portfolio focuses on anti-infectives, particularly macrolide antibiotics like erythromycin and azithromycin, as well as cardiovascular and central nervous system medications. The company operates modern, GMP-certified manufacturing facilities and exports its products to international markets, including Europe, Southeast Asia, and South America. It has successfully passed inspections from various international regulatory bodies, including the FDA and EDQM. As a key manufacturing hub within the Grand Pharma group, it continues to expand its capacity and product range to serve global healthcare needs.