Xi'an Jianda alumni Du Yuyan was evaluated by the master of engineering design design masters
On September 5th, the China Nonferrous Metal Construction Association issued the N...
The Huaye Foreign Detective Team Iran's copper mines successfully arrived at the mining area and officially carried out work
In order to strengthen the international mining cooperation, the East China Metall...
Chile's copper ore shocked the mysterious "Tiankeng", officials: I hope to find out whether it is related to mining activities as soon as possible
[Global Times Comprehensive Report] A mysterious Tiankeng (pictured, Reuters issue...