J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Youd Chemical Technology Co., Ltd.
Telephone021-37910092 15821801668
Websitehttp://www.udchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Beijing FYF Chemicals Co., Ltd
Telephone010-57903446 15869909019
Websitehttp://www.fyfchem.com/
Annular（Qihe）New Material Technology Co., Ltd
Telephone18600642180（微信同） 13391601435
Website
Henan Rane Chemical Co., Ltd.
Telephone+86-18738066252; +86-18738066252
Websitehttps://www.ranechem.com/
Shanghai Scibiotron Pharmaceutical Co., Ltd
Telephone+86-16621589600
Websitewww.scibiotron.com
Shanghai Xinchem
Telephone+86-021-64606569 +86-18049800532
Websitewww.xinchem.com
