Pacific Shuanglin Bio-pharmacy Co., Ltd. engages in research, development, production, and sales of blood products in China. Its lead products include human serum albumin, human immunoglobulin, intravenous human immunoglobulin (PH4), freeze-dried intravenous human immunoglobulin, hepatitis B human immunoglobulin, tetanus human immunoglobulin, rabies patient immunoglobulin, and human coagulation factor vin. In addition, it engages in the investment, consultation, and technology promotion of pharmaceutical and biotechnology development projects; and electronic product information consultation.