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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 13675144456
Websitehttp://www.synzest.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shaanxi Dideu Medichem Co. Ltd
Telephone029-61856358 15229202216
Websitehttps://www.dideu.com/
Shanghai Maclean Biochemical Technology Co., LTD
Telephone021-50706066 15221275939
Websitehttp://www.macklin.cn/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Henan Fangding Technology Co., LTD
Telephone 15670369782
Websitehttp://www.fundingchem.com/