Zhengzhou Huiju Chemical Co., Ltd.
Telephone0371-55900031 18137872243
Websitehttps://www.chemicalbook.com/supplier/11124122/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Hefei Chengquan Biotechnology Co., Ltd
Telephone0551-0551130 13034045150
Website
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/