Founded in 1992, Harbin Weike Biological Technology Development Company (hereinafter referred as Weike Company) is located in Harbin. It is a state-owned high-tech enterprise affiliated to Harbin Veterinary Research Institute, CAAS, dedicating to the R&D, production, promotion sales, technical advice and services of biological engineering and products related to animal preventative medicine. At this present Weike Company has a registered capital of 30 million Yuan and 308 staff currently, of which 90% with college education, more than 60% of them with senior technical title, and 30 experts with doctorate or master's degrees or higher. Weike Company is the production and technical support unit of avian influenza vaccines designated by the Ministry of Agriculture, and the sole production unit of the whole series of avian influenza vaccines. Its production lines have passed the veterinary medicine GMP dynamic acceptance of the Ministry of Agriculture, and they have been awarded with veterinary medicine GMP certificate. Weike Company possesses modern GMP live vaccine production workshops, inactivated vaccine production workshops, and avian influenza vaccine production workshops. The company can produce 15 live vaccines for 15 billion chickens and other domestic animals, and inactivated vaccines for 5 billion chickens and other domestic animals. At present, the avian influenza series vaccines and Swine Transmissible Gastroenteritis and Porcine Epidemic Diarrhea bivalent vaccines�?�¢?? has reached the international leading level, and porcine reproductive and respiratory syndrome (PRRS) vaccine, and live pseudo - rabies vaccine, genetic engineering live -vector vaccines of chicken infectious laryngotracheitis and chicken pox virus infection and bovine epidemic hemorrhagic fever inactivated vaccines etc. have reached international advanced level of similar products, and other products also have reached the leading level of domestic s