Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
SIMAGCHEM CORP
Telephone+86-5922680277 +86-13806087780
Websitehttp://www.simagchem.com/
Shanghai Yanze Chemical Co., Ltd.
Telephone15345144255 19901447308
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1931493/0_EN.htm
Mainchem Co., Ltd.
Telephone+86-86-05926210733
Websitehttp://www.mainchem.com
Suzhou Guide Fine Material Co., Ltd.
Telephone13914021065 13912645265
Websitehttps://www.chemicalbook.com