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/
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
ChemiK Co., Ltd.
Telephone+86 574 8729 6330
Websitehttp://www.chemik.com
Shanghai Worldyang Chemical Co.,Ltd.
Telephone021-021-56795766
Websitehttp://www.worldyachem.com
Beijing Hechemist Technology CO.,LTD
Telephone 18511709189
Websitehttp://www.hechemist.com
HANGZHOU CLAP TECHNOLOGY CO.,LTD
Telephone86-571-88216897,88216896 13588875226
Websitehttp://www.hzclap.com/en/
CONIER CHEM AND PHARMA LIMITED
Telephone +8618523575427
Websitehttp://www.conier.com/