Profile: Yong Yang Pharmaceutical Co., Ltd. specializes in the development and manufacture of pharmaceutical chemical with emphasis on cephalosporins. Our products include active pharmaceutical ingredients, intermediates and veterinary APIs. Our active pharmaceutical ingredients include wafarin sodium, terbinafine hydrochloride, meclofenoxate Hcl, buflomedil hydrochloride, ceftiofur Hcl, cefquinome sulfate, cefozopran hydrochloride, cefodizime sodium and cefpirome sulfate.