J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Tianjin Scaxchem Limited Compnay
Telephone022-022-25327698 18920479040
Websitehttp://www.cosychem.com
Maanshan geneyan biotech Co.,LTD
Telephone 18913822354
Websitehttp://www.geneyan-bio.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
NewCan Biotech Limited
Telephone+86-0571-86912261 +8613735419629
Websitehttps://www.newcanbio.com/