J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
BioPharmaMatrix,Inc.
Telephone0510-86010668
Websitehttp://www.biopharmamatrix.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
CHO Chemical Materials Chang Zhou CO., LTD
Telephone 15995034354
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1716541/0.htm
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 15552437730
Website