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/
Maya High Purity Chemicals
Telephone+86 (573) 82222445 (0)18006601000 452520369
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15221/0.htm
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Beijing innoChem Science & Technology Co.,Ltd.
Telephone400-810-7969 010-59572699
Websitehttp://www.inno-chem.com.cn
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com