Shanghai Qiao Chemical Science Co., Ltd
Telephone021-58892003
Websitehttps://www.chemicalbook.com/supplier/10168672/1.htm
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn
Shaanxi Didu New Materials Co. Ltd
Telephone+86-89586680 +86-13289823923
Websitehttps://www.dideu.com/en/