久久婷婷国产综合精品,久久久久久久性潮,换脸国产av一区二区三区,韩国精品一区二区三区无码视频 ,久久久久成人精品无码

Company Profile

Wuhan Grand Hoyo Co.,Ltd
Year Established : 1983
  • Contact Person :
  • Fax:
Wuhan Grand Hoyo Co., Ltd is the eldest manufacturer of amino acids and their derivatives in China. We have been certified by ISO9000, HACCP and China GMP. One the largest producer of Cysteine series products. COS available for Acetylcysteine and Carbocisteine. Non-animal source Cysteine series products are available, the first in China.
PharmaSources Customer Service