Hegang mining area
Heihegou Mining Area
Heihegou Mining Area is located in the northern part of Gansu Province, in the Heihegou region. It is bordered by Dunhuang to the east, jiuquan to the south, and Yongdeng County to the north. With a total area of about 2,500 square kilometers, Heihegou Mining Area is one of th......