J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Brain Biotechnology Co., Ltd.
Telephone 13564638271
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19148/0.htm
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
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 19963472814
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31265/0_EN.htm