J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815688 13927872512
Websitehttp://www.wj-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Qingdao Tenglong microwave technology co., LTD.
Telephone0532-83818797 18561885118
Websitehttp://www.cnnmr.com/
Hubei Lidu New Material Technology Co., Ltd.
Telephone 19171595131
Websitehttp://www.liduxcl.com
Shanghai isotope chemical co.,ltd
Telephone021-021-51600108 13062666369
Websitehttps://www.chinaisotope.com/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttp://www.tlcstandards.com
Telephone 4008-099-669
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList112975/0.htm
Telephone 18153089275
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1041099/0.htm