J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
CEG Chemical Science&Technology Co., Ltd.
TelephoneMobile:13665161512
Websitehttp://www.cegchemical.com
Yancheng KangdiSen Pharmaceutical Co., Ltd.
Telephone 13812573443
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19142/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com