J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
TianJin Alta Scientific Co., Ltd.
Telephone022-65378550-8551
Websitehttp://www.altascientific.cn
Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.
Telephone0531-58897130 15508670363
Websitehttp://www.sdcclh.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Qingdao Tenglong microwave technology co., LTD.
Telephone0532-83818797 17669478191
Websitehttp://www.cnnmr.com/
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Shanghai Bikai Technology Co. , Ltd.
Telephone 18516304666
Websitehttps://www.cpachem.com/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Shanghai Aitixi Biotechnology Co., Ltd
Telephone18721763493
Websitehttps://www.chemicalbook.com/supplier/25806785/
Sichuan jiayinglai technology CO.,LTD
Telephone028-64159575
Websitehttp://www.jiayinglai.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/