Liaoning Chengda Biotechnology Co., Ltd. is a biopharmaceutical company that researches, develops, produces, and sells vaccines in China and internationally. Its products include inactivated Japanese encephalitis and SPEEDA-rabies vaccines. The company is developing a rabies vaccine in the new drug approval stage, an influenza vaccine in the new drug application stage, a recombinant human papillomavirus 15-valent vaccine in Phase II clinical trials, and 13-valent pneumococcal polysaccharide conjugate, varicella, and meningococcal A, C, Y, and W-135 conjugate vaccines in Phase I clinical trials. It is also developing a high-dose influenza vaccine in the CT approval stage and preclinical vaccines, including a 20-valent pneumococcal polysaccharide conjugate, recombinant zoster, multivalent HFMD, serogroup B meningococcal outer membrane vesicle, and rabies monoclonal antibody. Formerly known as Liaoning Chengda Biological Technology Limited Company, it changed its name in November 2010. Incorporated in 2002 and headquartered in Shenyang, China, it operates as a subsidiary of Liaoning Cheng Da Co., Ltd.