上海中西三维药业

Shanghai Zhongxi Sanwei Pharmaceutical is a core subsidiary of Shanghai Pharmaceuticals Holding Co., Ltd., specializing in the research, development, and large-scale manufacturing of chemical active pharmaceutical ingredients (APIs) and finished dosages. The company is a leading domestic player in the fields of rheumatology and psychiatry, notably serving as one of the world's largest producers of hydroxychloroquine sulfate. Its extensive product portfolio includes essential medications for systemic lupus erythematosus, schizophrenia, and various depressive disorders. Operating multiple GMP-certified facilities, the company integrates traditional pharmaceutical manufacturing with modern R&D to supply both the Chinese domestic market and international clients. As a key industrial unit within the Shanghai Pharma group, it plays a vital role in the production of high-quality generic medicines and specialized chemical drugs.