J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://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 +86-13028896684;
Websitehttps://www.rrkchem.com
Jinan Ruisi Pharmaceutical Technology Co., LTD
Telephone0531-69900633 18340090523
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31265/0.htm
Pushan Industry (Shaanxi) Co., Ltd.
Telephone029-81310890 13571859809
Websitehttps://www.pushanshiye.com