J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Beijing HwrkChemical Technology Co., Ltd
Telephone010-89508211 18501085097
Websitehttp://www.hwrkchemical.com
Energy Chemical
Telephone021-021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Nanjing Chemlin Chemical Co., Ltd
Telephone025-83697070
Websitehttp://www.echemlin.cn
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400 638 7771
Websitehttp://www.heowns.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Shanghai Worldyang Chemical Co.,Ltd.
Telephone021-021-56795766
Websitehttp://www.worldyachem.com
Shanghai AQBioPharma Co., Ltd.
Telephone 13764862135
Websitehttps://www.aqbiopharma.com.cn/
Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Enchem Industry Co., Ltd.
Telephone15021317485
Websitehttp://www.enchem.cn
Shanghai Zhuang Ming New Material Technology Co., Ltd.
Telephone17312398916 051386936896 15216715905
Websitehttp://www.zhuangming.net
Giant chemicals
Telephone028-85434334 18108076537
Websitehttp://www.gianthx.com
Chengdu DingDang Pharmaceutical Co., Ltd.
Telephone028-86040038 13980902949;
Websitehttp://www.dingdangchem.com
Haimen Ruiyi Medical Tech Co., LTD
Telephone021-54718086
Websitehttp://www.ruiyitech.cn