Henan Weitesi Chemical Technology Co. LTD
Telephone0371-0371-55135753 18003832934
Websitehttps://www.chemicalbook.com/supplier/23629017/
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
Shanghai Haohong Scientific Co., Ltd.
Telephone4008210725 17717813675;
Websitehttps://www.leyan.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn
