Changsheng Bio-technology Co., Ltd., formerly Lianyungang Huanghai Machinery Co., Ltd., is a China-based company principally engaged in the research, development, production and sale of human vaccine products. The Company's main products include live attenuated freeze-dried varicella vaccine, freeze-dried human rabies vaccine (Vero cells), freeze-dried live attenuated hepatitis A vaccine, influenza lysis vaccine, adsorption of cell-free diphtheria combined vaccine and ACYW Group 135 meningococcal polysaccharide vaccine. The Company distributes its products in domestic market and to overseas markets.
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