Shanghai Carlow Chemicals Co., Ltd.
Telephone21-33526724 18930996265
Websitehttp://www.carlowchem.com
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559
Websitehttp://www.jwypharmlab.com.cn
Bejing Famous Pharmaceutical Technology Co., Ltd.
Telephone010-80339217; 13331045123
Websitehttp://www.peking-pharmacy.com
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/