Beijing Yisiyan Technology Research Center
Telephone010-56645598 13366904824;
Websitehttp://www.bjkaida.cn
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20)
Websitehttp://www.onochem.com
Shanghai wencai New Material Technology Co., Ltd.
Telephone 15721586846
Websitehttp://wencai-nm.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-61109150
Websitehttps://www.tcisct.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81120477 17792793610
Websitehttp://www.dideu.cn
Guangzhou Reullei Pharmaceutical Technology Co., Ltd,
Telephone 13660253774
Websitehttp://www.reullei.com/
Shaanxi Didu New Materials Co. Ltd
Telephone+86-86-17392712779 +86-13289823923
Websitehttps://www.dideu.com/en/