Beijing Ouhe Technology Co., Ltd
Telephone13552068683 13522913783
Websitehttp://www.ouhetech.cn/
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Advanced chemblocks inc
Telephone650-6922368 650-6922368;650-6922368
Websitehttps://www.achemblock.com
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 19370895928
Websitehttps://www.aikonchem.com/
BEIJING ECHIRAL MED TECH DVLP
Telephone 18518619637
Websitehttp://www.echiral.com
Beijing Famous Pharmaceutical Technology Co., Ltd
Telephone 15811073878
Websitehttp://www.peking-pharmacy.com