Changchun Werersai Biotech Pharmaceutical

Changchun Weiersai Pharmaceutical is a specialized biotechnology company located in Changchun, China, focusing on the research, development, and production of human vaccines. As a key subsidiary of Changchun BCHT Biotechnology, the company is a significant player in the Chinese vaccine market, particularly known for its freeze-dried human rabies vaccine produced using Vero cell technology. The company maintains high-standard manufacturing facilities that adhere to Good Manufacturing Practice (GMP) requirements and utilize advanced bioreactor systems. Its operations are integral to the broader public health infrastructure in China, providing essential immunization products for infectious disease control. Beyond its core rabies vaccine product, the company contributes to its parent organization's broader mission of developing innovative viral vaccines and biological therapeutics.