Pacific Shuanglin Bio-pharmacy Co., Ltd. engages in the research, development, production and marketing of blood products. It specializes in the human serum albumin, intravenous human immunoglobulin, human immunoglobulin, human hepatitis B immunoglobulin, tetanus human immunoglobulin, human coagulation factor VIII, human prothrombin complex and rabies immunoglobulin. The company was founded on December 28, 1993 and is headquartered in Zhanjiang, China.