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/
JinYan Chemicals(ShangHai) Co.,Ltd.
Telephone13817811078
Websitehttp://www.jingyan-chemical.com/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66099280 17798518460
Websitehttp://www.aikonchem.com/
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com