Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Advanced chemblocks inc
Telephone650-6922368
Websitehttps://www.achemblock.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
PharmaBlock Sciences (Nanjing), Inc.
Telephone4000255188 13327728092
Websitehttps://www.pharmablock.com/
