Yin Weidong

BEIJING TIANTAN BIOLOGICAL PRODUCTS CORPORATION LIMITED is a China-based company principally engaged in the biopharmaceutical businesses. The Company's primary products include preventive products, blood products and other biological products, such as the influenza A (H1N1) vaccines (split, inactivated), hepatitis B vaccines, poliomyelitis vaccines, measles-mump-rubella (MMR) vaccines, encephalitis B vaccines, influenza vaccinations, bacterial vaccines, human serum albumin (HSA) and intravenous immunoglobulin (IVIG), among others. The Company mainly distributes its products within domestic markets and to Hong Kong markets.