J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Jinan ponder chemical co. LTD
Telephone0531-0000
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList546697/0.htm
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/