J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-81148696 +86-15536356810
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-221/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com