Wuhan Grand Hoyo Co., Ltd. is the leading Amino acid manufacturer in China. Products are widely used in the fields of pharmaceutical, food additive, feed additive, nutrition, chemical and some so on. The facility is approved and regularly audited by Merck, Zambon, Sanofi, Nestle and authorities of US FDA, EU GMP (BGV German). All the production is strictly under cGMP management Its ?WUBC? and ?WHUHOYO? are world-famous brands in the world market of Amino acid.Our strong APIs are Acetylcysteine, Carbocisteine, Cysteine HCL monohydrate and Acetyltyrosine. Our strong Amino Acid products are Cysteine series, Cysteine HCL monohydrate, Cysteine HCL anhydrous and Cysteine base. L-Citrulline, L-SerineMiss Pawa LiWuhan Grand Hoyo Co., Ltd.Mobile: 0086-27-13871545352Tel: 0086-27-87456106Skype: pawaliWeb: www.grandhoyo.com