Chongqing Zhifei Biological Products Co., Ltd., a biopharmaceutical company, engages in the research and development, production, sale, and distribution of vaccine and biological products in China. The company offers recombinant COVID-19 vaccine; recombinant mycobacterium tuberculosis fusion protein products; group A and C meningococcal polysaccharide vaccine; ACYW135 meningococcal polysaccharide vaccine; Haemophilus Influenza type B conjugate vaccine; mycobacterium injection under the Vaccae brand; and meningococcal group A and C conjugate vaccine. It also provides cold storage, refrigerated vehicles, and cold roll boxes; and customs clearance and registration of imported vaccines. The company was founded in 2002 and is based in Chongqing, China.