J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006608290; 18621169109
Websitehttps://www.meryer.com/cn/index/
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 18521732826;
Websitehttp://www.aladdin-e.com/
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com
Chongqing Chemdad Co., Ltd
Telephone+86-023-61398051 +8613650506873
Websitehttp://www.chemdad.com/