Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone+86-0571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Suzhou Meishi Biotechnology Co., Ltd.
Telephone 1173954148q
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1822805/0.htm