J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
TCI (Shanghai) Development Co., Ltd.
Telephone021-67121386
Websitehttps://www.tcichemicals.com/CN/zh/
Energy Chemical
Telephone021-021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Adamas Reagent, Ltd.
Telephone400-6009262 16621234537
Websitehttp://www.tansoole.com
jiliang chemicals
Telephone21-62165282 15801962796;
Websitehttp://www.jiliangchem.com
Shandong Xiya Chemical Co., Ltd
Telephone4009903999 13355009207
Websitehttp://www.xiyashiji.com
Syntechem Co.,Ltd
Telephone
Websitehttp://www.syntechem.com/
Maya High Purity Chemicals
Telephone+86 (573) 82222445 (0)18006601000 452520369
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15221/0.htm
Spectrum Chemical Manufacturing Corp.
Telephone021-021-021-67601398-809-809-809 15221380277
Websitehttps://www.spectrumchemical.com/OA_HTML/index.jsp?minisite=10020&respid=22372&language=US
Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66099280 17798518460
Websitehttp://www.aikonchem.com/
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd.
Telephone+86-28-85122536 85324413
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList12313/0_EN.htm
Shanghai GaoLang Chemical Technology Co., Ltd.
Telephone021-57340939 18017297327
Websitehttp://www.gaolangchemical.com/
Yichang Zhongyitai Trading Co., Ltd.
Telephone0717-6449896 13886658719
Websitehttp://www.zhongyitai.com/
Shanghai Xingui Biotechnology Co., Ltd.
Telephone 17501653715
Websitehttp://www.ansitan.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn