J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Guangzhou Isun Pharmaceutical Co., Ltd
Telephone020-39119399 18927568969
Websitehttp://www.isunpharm.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Finetech Industry Limited
Telephone027-87465837 19945049750
Websitehttps://www.finetechchem.com/
Shanghai CanSpecsci Instrument Co., Ltd.
Telephone400-6087598 15021221957
Websitehttps://www.canspec.cn/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
LETOPHARM LIMITED
Telephone+86-21-5821 5861
Websitehttp://www.letopharm.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Pharmacodia (Beijing) Co.,Ltd
Telephone+86-400-851-9921
Websitehttp://www.pharmacodia.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840 18892239720
Websitehttp://www.jm-bio.com/
Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774
Websitehttp://www.glpbio.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Finetech Industry Limited
Telephone+86-27-87465837 +8618971612321
Websitehttps://www.finetechnology-ind.com/
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418684 +8618949823763
Websitehttps://www.tnjchem.com
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/