Zhengye Biotechnology Holding Ltd is a China-based company mainly engaged in the research and development of veterinary vaccines. The Company's main business is the research, development, production, and sales of livestock vaccines. The Company's main products include monovalent vaccines, multivalent vaccines, combination vaccines and other biological medicine, which can be used to treat pigs, cows, goats, sheep, poultry and other animals. The Company also engages in vaccines for treating livestock. The Company mainly conducts its business in the domestic market.