J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-400-6206333 18521732826
Websitehttp://www.aladdin-e.com/
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Codow Chemical Co.,Ltd.
Telephone 18620099427
Websitehttp://www.howeipharm.com
Chengdu Dianchun Technology Co., Ltd
Telephone400-1166-196 18502815961
Websitehttp://www.hx-r.com
Shanghai Jizhi Biochemical Technology Co. Ltd.
Telephone4009004166/18616739031 18616739031
Websitehttp://www.acmec-e.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
DC Chemicals
Telephone021-58447131 13564518121
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList927327/0.htm
Shanghai Keke Biotechnology Co., Ltd.
Telephone021-34975789 18721102763
Websitehttp://www.click-biotech.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shandong WorldSun Biological Technology Co., Ltd.
Telephone0531-88723173 18596073690
Websitehttp://www.wodesenshengwu.com/
