Chia Tai Enterprises International Limited engages in the manufacture and sale of chlortetracycline (CTC) and other related products in Mainland China, the Asia Pacific, the Americas, Europe, and internationally. It operates through two segments, Biochemical and Industrial. The Biochemical segment manufactures and sells CTC premix and CTC hydrochloride products, which are used as feed additives to promote growth of livestock, prevent or cure animal diseases, and enhance feed efficiency under the Shihao and Citifac brands. The Industrial segment engages in the sale, leasing, and servicing of caterpillar machinery equipment, including excavators, power generators, bulldozers, and compactors, as well as spare parts; and manufacture and sale of carburetors and automotive parts for automobile and motorcycle manufacturers. The company was incorporated in 1987 and is based in Central, Hong Kong. Chia Tai Enterprises International Limited is a subsidiary of Charoen Pokphand Foods Public Company Limited.