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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 176121882
Websitehttp://www.suppliers.integle.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
Shandong Jiuyue Biological Technology Co., LTD
Telephone 15553348166
Websitehttp://www.jiuyueshengwu.com/
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Telephone 3119594100
Websitehttps://www.sklnchem.cn
Beijing Keyi Tongda Technology Development Co., Ltd
Telephone 13681252203
Website
