J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
SIMAGCHEM CORP
Telephone +86-13806087780
Websitehttp://www.simagchem.com/
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Mainchem Co., Ltd.
Telephone+86-86-05926210733 +8618030271905
Websitehttp://www.mainchem.com
Changzhou AniKare Pharmatech Co., Ltd.
Telephone+86-0519-8359-8696 +8618018249389
Websitehttp://www.anikare.cn/index_en.html