Jinhe Biotechnology Co. Ltd. (002688.SZ) is a China-based company principally engaged in the production and sale of veterinary medicines and animal health products. The company manufactures core products including chlortetracycline feed grade, a broad-spectrum antimicrobial for treating poultry and livestock diseases such as white dysentery, enteritis, pneumonia, typhoid, paratyphoid and cholera; chlortetracycline hydrochloride for bacterial infections including pullorum disease, swine enteritis, paratyphoid and cholera; salinomycin powder and granule for eimeria control in chickens and gram-positive bacteria inhibition; as well as quinomycin premix, oxytetracycline and other feed additives. Founded in 1990 and headquartered in Tuoketuo County, Hohhot, Inner Mongolia, China, with additional operations in Dalian, the company maintains advanced fermentation facilities boasting a 12,194 cubic meter capacity and annual output exceeding 45,000-55,000 metric tons, exporting over 70% of production to the United States, Southeast Asia, Latin America, Europe and other regions; it serves partners such as Zoetis (formerly Pfizer). Jinhe listed on the Shenzhen Stock Exchange in 2012, passed US FDA inspections eight times most recently in 2023, and holds certifications including China GMP, Europe COS and Japan FMA; in 2014 its wholly owned US subsidiary Pharmgate LLC acquired Pennfield Oil Company to expand into the American animal health market. Recent developments include plans announced in 2025 to raise up to 300 million yuan via simplified private placement of A-shares to no more than 35 targets for sewage treatment expansion, water recycling upgrades, new grain storage facilities and working capital supplementation, alongside approval of a final 2024 cash dividend payable in June 2025.