J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0.htm
Shaanxi Didu New Material Co., Ltd
Telephone029-029-63373950 15353716720
Website
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Zhengzhou Tingyang Pharmaceutical Technology Co., Ltd
Telephone0371-18638163978 18638163978
Website
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com