J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-81139210 +86-18192627656
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-219/
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/