J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Zhengzhou Gecko Scientific Inc.
Telephone0371-63336364 17344886665
Websitehttp://www.zzgecko.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Henan qinpeng technology co., ltd
Telephone微信：18839185240; 15737400781
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList611244/0_EN.htm
NORANA GROUP
Telephone027-59209883 17386138556
Websitehttps://www.nornachem.com
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-61109150
Websitehttps://www.tcisct.com
Hubei Norna Technology Limited Company
Telephone59209883 17386169806
Websitehttps://www.nornachem.com
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
