J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66099280 17798518460
Websitehttp://www.aikonchem.com/
Henan Aosman Biotechnology Co., LTD
Telephone0371-61318675 17719817155
Website
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
