Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Tianjin Nuokang Pharmaceutical Technology Co., Ltd.
Telephone022-23989838 13810451150
Websitehttps://www.chemicalbook.com/supplier/15622671/
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
labter pharmatech(beijing) co.,ltd
Telephone010-56330744 18310155299
Websitehttp://www.labter.com.cn/