Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
ShanDong Look Chemical Co.,Ltd.
Telephone +8617653113219
Websitehttps://www.sdlookchem.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-81120477 17792793610
Websitehttp://www.dideu.cn
Guangdong Wengjiang Chemical Reagent Co.,Ltd.
Telephone0751-2815983 13927872582
Websitehttp://www.wj-chem.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn
Henan Tianfu Chemical Co.,Ltd.
Telephone+86-0371-55170693 +86-19937530512
Websitehttps://www.tianfuchem.com/
SHANGHAI KEAN TECHNOLOGY CO., LTD.
Telephone +8613817748580
Websitewww.kean-chem.com
Shanghai Acmec Biochemical Technology Co., Ltd.
Telephone+86-18621343501; +undefined18621343501
Websitehttp://www.acmec.com.cn/
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichem.com/