Ascletis Pharma Inc., a biotechnology company, engages in the research and development, manufacture, marketing, and sale of pharmaceutical products in Mainland China. The company offers Ritonavir tablet; and ASCLEVIR and GANOVO for the treatment of Hepatitis C virus. It is also developing ASC22 for treating CHB and HIV functional cure; ASC10 for respiratory syncytia virus; ASC10 and ASC11 to treat COVID-19; ASC40, ASC41, AS