J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006356688 18621169109
Websitehttp://www.x-labseek.com/
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Zibo Biopolar Rongchuang Pharmaceutical Co. Ltd.
Telephone0533-6092686 13371592196
Websitehttp://www.bp-rongchuang.com/
Beijing Famozi Pharmaceutical Technology Co., Ltd
Telephone 15811073878
Websitehttp://www.peking-pharmacy.com/
shanghai hechun co. ltd
Telephone021-021-64502386 18017349250
Websitehttps://www.syn-chem.com
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com