Wuwei City.

Wuwei City is rich in mineral resources. Mineral resources are mainly coal and non-metallic minerals. 44 types of minerals have been discovered, including coal, iron, titanium, copper, gold, rare earths, graphite, Glauber's salt, gypsum, barite, ordinary fluorite, construction sand, construction stones and clay for bricks and tiles; important and advantages Minerals include coal, oil shale, iron, titanium, rare earths, graphite, mirabilite, gypsum, common fluorspar, limestone for cement, etc.