Henan Ouber Technology Co., Ltd.
Telephone0371-65322607 18860389453
Websitehttp://www.oubertec.com/
Henan Alpha Chemical Co., Ltd.
Telephone0371-55013243 15324716602
Websitehttps://www.chemicalbook.com/supplier/24684125/
Zhengzhou HQ Material Co., Ltd.
Telephone0371-67759225 13526468238
Websitehttp://www.hqmat.com/
Shanghai Daken Advanced Materials Co.,Ltd
Telephone+86-371-66670886
Websitehttps://www.dakenchem.com/
Zhengzhou HQ Material CO.,LTD.
Telephone+86-371-55919009 +8615225108189
Websitehttp://cn.hqmat.com/
