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
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815688 13927872512
Websitehttp://www.wj-chem.com
Wuhan Demeikai Biotechnology Co., Ltd
Telephone +8618942921723
Websitehttp://www.hkdmk.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone 15229059051
Websitehttp://www.dideu.cn
ZhengZhou Edward Biology Co.,Ltd
Telephone13298105281 13298105281
Websitehttp://www.edwardbiology.cn
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com