J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66113011 13913916777
Websitehttp://www.aikonchem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Amkchem Limited
Telephone微信:18019252918 18019252918
Websitehttps://www.amkchem.com
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850 +86-15355479329
Websitehttp://www.leapchem.com