Yichang SanXia Pharmaceutical Co., Ltd., a wholly-owned subsidiary of Renfu Pharmaceutical Group, is a comprehensive biopharmaceutical enterprise that researches and produces antibiotic APIs, amino acid series large-capacity injections, and animal drug preparations, and is a national high-tech enterprise. In recent years, the company has successively won the titles of "Hubei Province Pharmaceutical Industry API Export Excellent Enterprise", "Hubei Province Top 10 Export Enterprises Earning Foreign Exchange", "Hubei Province Pillar Industry Segment Invisible Champion Science and Technology Little Giant" and other titles, and the registered trademark of "Three Gorges Brand" has been recognized as a well-known trademark in Yichang City.

The company currently covers an area of 300,000 square meters, with four industrial bases: Yichang High-tech Zone Industrial Park, Dianjun Industrial Park, Xiaoting Subsidiary and the newly built Yuan'an Branch, and is a global large-scale supplier of neomycin sulfate APIs, with subdivided product lines covering veterinary neomycin sulfate, flavamectin sulfate, prescription human neomycin sulfate, etc. The product has passed the US FDA and EU CEP certification, and neomycin sulfate has won the title of "Single Champion Product in Manufacturing" awarded by the Ministry of Industry and Information Technology of China.