3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Wuhan Chemstan Biotechnology Co., Ltd.
Telephone027-65317797 15926423062
Websitehttp://www.chemstan.com/
Lingyuan Bebiansen Biological Technology Co., Ltd
Telephone 18642120371
Websitehttps://www.bebiosion.com/
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/