J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shanghai KaiYuLin pharmaceutical technology co., LTD
Telephone021-18721936-595 18721936595
Websitehttp://www.kylpharm.com
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-0371-55629727 13323845623
Websitehttp://www.acmechem.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Boyi Biomedical Technology Co., Ltd.
Telephone021-021-54331997 18321536537
Websitehttp://www.ansionpharma.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-029-81138252 +86-18789408387
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-222/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 18021050169
Websitehttp://www.aladdin-e.com/
