J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
ShangHai AmK Pharmaceutical Technology Co., Ltd.
Telephone 18019252918
Websitehttp://www.amkchem.com微信:17321281695
Zhengzhou Alfachem Co., Ltd.
Telephone0371-53765687 18937137882
Websitehttps://www.chemicalbook.com/supplier/10084342/
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/