Henan CAY Pharmaceutical

Henan CAY Pharmaceutical is a Chinese pharmaceutical manufacturing company that serves as the primary production arm for Henan Genuine Biotech. The company specializes in the large-scale synthesis of Active Pharmaceutical Ingredients (APIs) and advanced intermediates, with a core focus on nucleoside analogs for antiviral applications. Its most significant achievement is the production of Azvudine, the first domestically developed oral antiviral drug approved in China for the treatment of COVID-19 and HIV-1. Operating out of facilities in Pingdingshan, Henan, the company adheres to Good Manufacturing Practice (GMP) standards to ensure high-quality chemical synthesis. Henan CAY Pharmaceutical plays a critical role in the domestic supply chain for infectious disease therapeutics and is expanding its manufacturing support into oncology.