J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Guangzhou Jhd Chemical Reagent Co., Ltd.
Telephone020-84383047
Websitehttp://www.jhd.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
https://hanhongsci.com/
Telephone021-54306202 18917919676
Websitehttps://www.hanhongsci.com/
Zhengzhou Allchem Chemical Co., Ltd
Telephone 17734807184
Websitehttps://www.chemicalbook.com/supplier/25723340/
