Shanghai Tongren Pharmaceutical Co.,Ltd. was founded in 1946, formerly known as Shanghai Veterinary Pharmaceutical Factory. As one of the eldest and biggest animal health product manufacturing plants in china, we supply more than 120 products of complete dosage forms. Our brand ‘cow-head’, famous in China, is focusing on the better service for the whole world. As a GMP factory certified by the ministry of agriculture of P.R.china, Tongren occupies an area of over 15000 m2 , and has more than 3...