Wuhan Grand Hoyo
Established in 1989, Wuhan Grand Hoyo Co., Ltd. was set up by Wuhan University, which is a high-technology enterprise specializing in the research and development, manufacturing and selling of Amino Acids and related derivatives. Grand Hoyo does not only have the Chinese first-class Amino Acids research pilot bases, but also independently owns five production bases of Amino Acids and related derivatives. Its main products are N-Acetyl L-Cysteine,N-Acetyl L-Tyrsine and L-Citrulline.
All products conform to the standards of CP, AJI, USP, BP, EP and FCC. In addition, Grand Hoyo has been certified by ISO9001, cGMP, Kosher & Halal. With the license of importing and exporting, our brands WUBC® and WHUHOYO® enjoy reputations at home and abroad.

- L-Serine by Grand HoyoFactoryWuhan Grand Hoyo
- N-Acetyl-L-Tyrosine by Grand HoyoFactoryWuhan Grand Hoyo
- L-Histidine Base by Grand HoyoFactoryWuhan Grand Hoyo
- L-Histidine HCl Monohydrate by Gran...FactoryWuhan Grand Hoyo
- L-Ornithine HCl by Grand HoyoFactoryWuhan Grand Hoyo
- N-Acetyl-L-Cysteine 20 Mesh by Gran...FactoryWuhan Grand Hoyo
- N-Acetyl-L-Cysteine (Non-Animal Sou...FactoryWuhan Grand Hoyo
- L-Cysteine HCl Monohydrate (Non-Ani...FactoryWuhan Grand Hoyo
- L-Tyrosine Vegan by Grand HoyoFactoryWuhan Grand Hoyo
- L-Citrulline DL-Malate 2:1 by Grand...FactoryWuhan Grand Hoyo
- L-Cysteine HCl Anhydrous (Non-Anima...FactoryWuhan Grand Hoyo
- L-Tyrosine by Grand HoyoFactoryWuhan Grand Hoyo