J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Carlow Chemicals Co., Ltd.
Telephone21-33526724 18930996265
Websitehttp://www.carlowchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Jinan Ruisi Pharmaceutical Technology Co., LTD
Telephone0531-0531-69900633 17860786593
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31265/0_EN.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/