J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Yantai ShengKailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttp://www.sklnchem.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone021-51816796-820 13611835272
Websitehttp://www.sunwaypharm.com/
Yantai Zhengxin New Material Technology Co. LTD
Telephone15065715832; 13854547682
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1444924/0.htm
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Liaocheng Lebote Biopharmaceutical Technology Co., Ltd
Telephone0635-893290 18663513896;
Websitehttp://www.krechem.cn
Qingdao Dexin Chemical Co., Ltd
Telephone+86-15553333686 +86-15553333686
Websitehttp://www.dexinchem.com.cn/
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/
