Sinopharm Chemical Reagent Co,Ltd.
Telephone86-21-63210123
Websitehttp://www.reagent.com.cn
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone 17801761073
Websitehttp://www.solarbio.com
Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn