Beijing Tiantan Biological Products Co., Ltd. engages in the research and development, manufacture, sale, and marketing of blood products in China and internationally. Its products include human serum albumin; intravenous human immunoglobulin; rabies immunoglobulin; tetanus immunoglobulin; hepatitis B immunoglobulin; freeze-dried intravenous hepatitis B human immunoglobulin; histamine human immunoglobulin; human prothrombin complex concentrate; lyophilized intravenous hepatitis B immunoglobulin; human coagulation factors VIII; human fibrinogen; recombinant human coagulation factor VIII for injection; and other blood products. The company was founded in 1966 and is headquartered in Beijing, China.