Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Guangdong Wengjiang Chemical Reagent Co.,Ltd.
Telephone0751-2815983 13927872582
Websitehttp://www.wj-chem.com/
Beijing Pubiao Technology Co., Ltd.
Telephone18618179058
Websitehttp://www.pubiaotech.cn/