J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Jurong Coupling Biotechnology Co., Ltd.
Telephone 13656108824
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30564/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Changzhou Borl Biotechnology Co.,LTD
Telephone 13606124132;13656121842
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1219308/0.htm
