Hebei Changshan Biochemical Pharmaceutical Co., Ltd. engages in the research, development, production, and sale of crude heparin, heparin raw materials, and heparin preparations for the treatment of cardiovascular and cerebrovascular diseases in China. Its products include crude heparin sodium, heparin sodium raw materials, heparin sodium injections, low molecular weight heparin calcium raw materials and injections, enoxaparin sodium raw materials and injections, nadra Heparin calcium raw materials, nadroparin calcium injections, and dalteparin sodium raw materials and injections. The company was founded in 2000 and is based in Shijiazhuang, China.