J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
TianJin Alta Scientific Co., Ltd.
Telephone022-65378550-8551
Websitehttp://www.altascientific.cn
Suzhou yacoo science co.,Ltd
Telephone0512-87182056 18013166090
Websitehttp://www.yacoo.com.cn
Shanghai Macklin Biochemical Co.,Ltd.
Telephone15221275939 15221275939
Websitehttp://www.macklin.cn
Nanjing Chalf-Pharm Technology Co., Ltd.
Telephone025-57018978 18251899859
Websitehttp://www.chalf-pharm.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Beijing OKA biological technology co., LTD
Telephone010-010-010-62971590 18548936886
Websitehttp://www.bjoka-vip.com/
Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774
Websitehttp://www.glpbio.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Dingfen Chemical Technology Co., Ltd.
Telephone021-37590756
Websitehttp://karmachem.cn/shop/home.do
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
ShangHai Anpel Co, Ltd.
Telephone18501792038; 18501792038
Websitehttps://www.labsci.com.cn/index
Shanghai Dingfen Chemical Technology Co., Ltd.
Telephone021-57450129 02157450129
Websitehttp://karmachem.cn
CHG Opto-Electronic Corporation Limited
Telephone 2537653158 16621191650
Websitehttps://www.uncinfo.cn
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Suzhou yacoo science co.,Ltd
Telephone0512-87182056 13451648594
Websitehttp://www.yacoo.com.cn
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone021-51816796-820 13611835272
Websitehttp://www.sunwaypharm.com/