J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Beijing Haite lesk Technology Co., Ltd
Telephone15210893940; 15116916250
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList804170/0_EN.htm
Beijing Famous Pharmaceutical Technology Co., Ltd
Telephone 15811073878
Websitehttp://www.peking-pharmacy.com