Zhejiang Tianyuan Bio-Pharmaceutical Co., Ltd. is a fast-growing developer, producer, and distributor of bio-pharmaceutical products in China. Since 1989 the company successfully established its national and international vaccine business with the intention to provide high quality vaccines of international standard, and contribute to the prevention of diseases in China and throughout the world. Zhejiang Tianyuan Bio-Pharmaceutical Co., Ltd. is a limited liability company, which is mainly invested by private capital in China. At present, the company is one of China&＃039;s largest private manufacturers of influenza vaccine. The company&＃039;s current products consist of human vaccines against: • Influenza (inactivated, split) • Haemorrhagic Fever with Renal Syndrome (HFRS) • Japanese Encephalitis Virus (JEV) • Meningitis (Meningococcal Polysaccharide AC/ACYW135)