J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Suzhou Meidi Senuo Pharmaceutical Technology Co., Ltd.
Telephone 13771642864
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1659441/0_EN.htm
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
