J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
nanjing dingda Pharmatech. co. ltd
Telephone 18013843276
Websitehttps://www.dingdapharmatech.com
Shaanxi wopin Chemical Technology Co., Ltd
Telephone 18792798662
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1991768/0.htm