J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
Shanghai Brain Biotechnology Co., Ltd.
Telephone 13564638271
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19148/0.htm
Nanjing xiangrui technology co. LTD
Telephone021-021-00000000 15715199582
Websitehttps://vip.lookchem.cn/member/product/list.aspx
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn