J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
ShangHai KenEn Chemical Technology Co., Ltd.
Telephone 13120367189
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16352/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Jingmen Dongxin Biotechnology Co., Ltd
Telephone13047189721 15572493761 13047189721
Websitehttps://www.jmdongxin.cn/