Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Hebei Beckman Biotechnology Co., Ltd.
Telephone15961617865 15961617865;
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList129051/0_EN.htm
Jiangsu Congsheng Chemical Co., Ltd.
Telephone 18651116180
Websitehttps://www.congzhongchem.com
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850 +86-15355479329
Websitehttp://www.leapchem.com
