Shenzhen Weiguang Biological Products Co., Ltd. engages in the manufacturing, research and development of drug and blood products. Its products include human albumin, human immunoglobulin, human hepatitis B immunoglobulin, human rabies immunoglobulin, tetanus immunoglobulin and histamine human immunoglobulin. The company was founded on October 22, 2001 and is headquartered in Shenzhen, China.