J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
SynAsst Chemical.
Telephone021-60343070
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0.htm
Shanghai HuanChuan Industry Co.,Ltd.
Telephone021-61478794
Websitehttp://www.hcshhai.com
Shanghai SuperLan Chemcial Technique Centre
Telephone021-2022843681 15618226720
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19886/0.htm
Angel Pharmatech, Ltd.
Telephone 17317130613
Websitehttp://www.angelpharmatech.com