J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jinan ponder chemical co. LTD
Telephone0531-0000
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList546697/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
https://hanhongsci.com/
Telephone021-54306202 18917919676
Websitehttps://www.hanhongsci.com/
Telephone 4008-099-669
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList112975/0.htm
Shanghai Fine Biotech Co.,Ltd
Telephone 18717800556
Websitehttps://www.fine-biotech.com