J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774 400-920-5774
Websitehttp://www.glpbio.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Hefei Molake Biotechnology Co., Ltd.
Telephone0551-66336380 18956014586
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31079/0_EN.htm
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Cato Research Chemicals Inc.
Telephone81960175-877 18933936954
Websitehttps://www.cato-chem.com/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
