Zhejiang Huahai Pharmaceutical Co. Ltd. engages in the manufacture and sale of pharmaceutical products. It also integrates and intermediates formulations such as Active Pharmaceutical Ingredients (API). Its products include irbesartan tablets, paroxetine hydrochloride tablets, risperidone tablets, fosinopril sodium tablets, as well as irbesartan, and hydrochlorothiazide tablets. The company was founded in 1989 and is headquartered in Zhejiang, China.