J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
AF Biochem Co., Ltd.
Telephone+86-028-60911900 13540204019
Websitehttp://www.afbiochem.com
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
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone 18621169109
Websitehttps://www.meryer.com/
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81148929 13186179623
Websitehttps://www.dideu.com
Hebei Weibang Biotechnology Co., Ltd
Telephone +8617732866630
Websitewww.weibangbio.com