PharmaEssentia (藥華醫藥股份有限公司) is a biotech company focused on the areas of hematology, oncology, dermatology, and infectious diseases. Its lead compound is Ropeginterferon alfa-2b, an interferon for hepatitis. The company also develops treatments for gastric, gastro-esophageal, esophageal, and breast cancer, as well as psoriasis.