Tianjin Zhongwei Pharmaceutical Co., Ltd. is a limited liability company based in Tianjin, China, established on October 8, 2003. The company operates primarily in the field of processing Chinese herbal medicine. It has a registered capital of approximately 140.8 million RMB and employs around 0-100 staff members​. The company's legal representative is Song Deshun, and its business activities include the wholesale and retail of instruments and meters, the development of medical devices, and the import and export of goods and technology, except for those prohibited by law. Additionally, Tianjin Zhongwei Pharmaceutical is involved in the production of active pharmaceutical ingredients (APIs) such as thiamine and thiosothiamine, as well as food and feed additives.