Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2886750 13927877953
Websitehttp://www.wj-chem.com
Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
chemfish tokyo co.,ltd
Telephone0731-85567275 18229978283
Websitehttp://www.chemfish.com
Wuhan Fortuna Chemical Co.,Ltd
Telephone +8618007136271
Websitehttps://www.chemicalbook.com/manufacturer/Wuhan%20Fortuna%20chemical/