J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Milestone Pharmtech Co., Ltd.
Telephone0571-82896630 18969958410
Websitehttp://www.milestonepharmtech.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 13675144456
Websitehttp://www.synzest.com
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone021-51816796-820 13611835272
Websitehttp://www.sunwaypharm.com/
Henan Kehong Biological Technology Co. LTD
Telephone0371-55969461； 0371-86658258 17722895060
Websitehttps://www.kehobio.com
https://www.shachemlin.cn/
Telephone 15021879576
Websitehttps://www.shachemlin.cn/
