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/
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Beijing Famozi Pharmaceutical Technology Co., Ltd
Telephone 15811073878
Website
shanghai hechun co. ltd
Telephone021-64502386 18017349250
Websitehttps://www.syn-chem.com
Aikon International Limited
Telephone 18651614124
Websitehttps://www.aikonchem.com/
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com