J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
SHANGHAI FORTUNE CHEMICAL TECHNOLOGY CO., LTD
Telephone 13816107857
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15869/0_EN.htm
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Changzhou Chenhong Biotechnology Co., Ltd.
Telephone+86-0519-85788828 +86-13775037613
Websitehttp://www.chemrenblock.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shaanxi Didu Pharmaceutical Co., Ltd.
Telephone029-81124775 17791530730
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/