J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Sinopharm Chemical Reagent Co,Ltd.
Telephone86-21-63210123
Websitehttp://www.reagent.com.cn
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Shanghai Synteam Biochem CO.,ltd
Telephone+86-021-58380978 +86-18017016373
Websitehttp://www.systeambc.com
Suzhou Unite pharmTech Co., Ltd ,
Telephone792-3901125 13222993784
Websitehttp://www.unite-pharm.com
ATK CHEMICAL COMPANY LIMITED
Telephone3429815786 13301662590
Websitehttp://www.ATKchemical.com
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.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/
Wuxi Minglu Medicine technology Co.,Ltd.
Telephone0510-88726693
Websitehttp://www.mlupharm.com
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
Shandong WorldSun Biological Technology Co., Ltd.
Telephone0531-88723173 18596073690
Websitehttp://www.wodesenshengwu.com/
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com