J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Adamas Reagent, Ltd.
Telephone400-6009262 16621234537
Websitehttp://www.tansoole.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
guoyungurui
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25521782/
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/
