J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Nanjing Chemlin Chemical Co., Ltd
Telephone025-83697070 13770331960
Websitehttp://www.echemlin.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone13761987713; 13761987713
Websitehttps://www.sunwaypharm.cn
Shaanxi Didu Pharmaceutical Co., Ltd.
Telephone029-81124775 17791530730
Website