Hunan Xieli Pharmaceutical

Hunan Xieli Pharmaceutical is a Chinese pharmaceutical company specializing in the research, development, and large-scale production of plant-derived Active Pharmaceutical Ingredients (APIs) and intermediates. Founded in 1998 and headquartered in Changsha, the company is recognized as a leading global supplier of bioflavonoids, including Rutin, Quercetin, Troxerutin, and Diosmin. Their manufacturing facilities are GMP-certified, and the company holds several international quality certifications, such as the European Certificate of Suitability (CEP), enabling broad export capabilities to Europe, North America, and Southeast Asia. In addition to its core API business, Hunan Xieli provides contract manufacturing services and focuses on high-purity natural product extraction technologies. The company is a key player in the global supply chain for vascular health and dietary supplement ingredients.