Changchun BCHT Biotechnology Co. Ltd., a biopharmaceutical company, engages in the research and development, production, and sale of human vaccines in China and internationally. The company's products include herpes zoster vaccine; varicella vaccine; live, nasal, and freeze-dried influenza vaccine; and rabies vaccine (vero cell) for humans. Changchun BCHT Biotechnology Co. Ltd. was founded in 2004 and is based in Changchun, China.