J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Chiba Pharmaceutical Science and technology Co, Ltd.
Telephone0531-81313138 13066006660
Websitehttp://www.chibapharm.com
DebyeTec.com Inc.
Telephone18086626237 18086626237
Websitehttps://www.debyetec.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com