J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
TianJin Alta Scientific Co., Ltd.
Telephone022-65378550-8551
Websitehttp://www.altascientific.cn
Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Qingdao Tenglong microwave technology co., LTD.
Telephone0532-83818797 17669478191
Websitehttp://www.cnnmr.com/
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Auonsi (Shanghai) Biology Technology Co., Ltd.
Telephone400-1107768 15058188853
Websitehttp://www.auonsi.com/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
Shaanxi Didu New Materials Co. Ltd
Telephone+86-86-17392701263 +8617392701263
Websitehttps://www.dideu.com/en/
