Beijing Tiantan Biological Products Corporation Limited is principally engaged in biopharmaceutical industry. The Company provides biological products, including influenza A (H1N1) vaccine (split, inactivated), preventive products and blood products, such as hepatitis B vaccines, poliomyelitis vaccines, measles-mump-rubella (MMR) vaccines, encephalitis B vaccines, influenza vaccinations, bacterial vaccines, human serum albumin (HSA) and mainline human immunoglobulin (HIg), among others. It distributes its products principally in domestic market. As of December 31, 2010, the Company had seven subsidiaries and two affiliates, which involved in the manufacture and distribution of biological products.

Beijing Tiantan Biological Products Co., Ltd. (TIANTANBIO) is a hi-tech listed company, exclusively initiated and set up by the National Vaccine & Serum Institute (NVSI) who is the China's first research and manufacturing corporation for biological products with nearly a century history who was founded in 1919. It mainly engage in the research, development, manufacturing and marketing of the bacterial & viral vaccines, blood derivatives, diagnostic reagents and various kinds of high-tech bio-pharmaceutical products, including more than 110 kinds.