Henan Tuoxin Pharmaceutical

Henan Tuoxin Pharmaceutical is a China-based pharmaceutical company specializing in the research, development, and large-scale production of nucleoside and nucleotide APIs and intermediates. The company is a leading global supplier of cytidine, inosine, and guanosine series products, which serve as critical building blocks for antiviral and antitumor drugs. Notably, Tuoxin is a key manufacturer of the API for Azvudine, the first domestically developed oral antiviral for COVID-19 in China. Their manufacturing facilities are GMP-certified, supporting a broad portfolio of chemical synthetic drugs and biotechnology-derived products. The company operates a vertically integrated model from fermentation to chemical synthesis, serving both domestic and international markets.