J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai EFE Biological Technology Co., Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-021-20242659 18930833303
Websitehttp://www.changyanchem.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Jinan Weicheng Pharmaceutical Technology Co., Ltd
Telephone0531-68656072 15562569859
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList20143/0.htm
Shanghai Jizhi Biochemical Technology Co. Ltd.
Telephone400-400-400-9004166 18616739031
Websitehttp://www.acmec-e.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
career henan chemical co
Telephone+86-0371-86658258 15093356674;
Websitehttp://www.coreychem.com