Shanghai QianYan Bio-technology Co., Ltd
Telephone02781293128
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19348/0.htm
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
SIMAGCHEM CORP
Telephone +86-13806087780
Websitehttp://www.simagchem.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichemicals.com/