Wuhan University Hoyo Co. Ltd. is a Chinese high-technology enterprise specializing in the manufacturing and selling of Amino Acids and its derivatives,and the famous Wuhan University is our largest shareholder.WHU Hoyo is known as the pioneer & also one of the largest producers of L-Cysteine,L-Cysteine HCL Anhydrous & Monohydrate,S-Carboxymethyl-L-Cysteine,N-Acetyl-L-Cysteine,N-Acetyl-L-Tyrosine & L-Ornithine-L-Aspartate...in China. For example,Our annual output of L-Cysteine Monohydrate is about 1500MT. We have been certified by China GMP,ISO9001,Kosher & HALAL,we produces conforming to AJI, USP, EP,BP & FCC.Our brand "WUBC" enjoys reputations at home and abroad and sells well in many countries,FYI,many Chinese trading companies buying Amino Acids from us for exporting too. Dear Manager,anything regarding Amino Acids,please do not hesitate to contact us to get the high quality,competitive price,on-time delivery & good service now!