Changchun Changsheng Life Sciences Ltd. is a manufacturing enterprise of vaccine for human use, located in Changchun High-Tech Industrial Development Area. Our company was founded on Aug.18, 1992, with the registered funds of RMB 50 million. We are one of new and high technological enterprises confirmed by Ministry of Science and Technology. Our company has 500 employees, among whom 70% are professionals. "The production and development of high-tech products" is the principal task of our company. We mainly produce biological products, providing consultative services of biological...