Limestone is a common nonmetallic minerals, It is widely used in the Mechanical and Production Engineering Technology…

Copper ore a valuable mineral source for all countries. Copper ore is an ore which can produce copper metal by crushing…

Sand is widely used in road construction, real estate development, concrete making etc. With the rapid development…

The iron occur in Fe-mineral ores contains impurities of Phosphorus, sulphur and high alkali as well as impregnations…

Silver is a soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and…

Manganese is essential to iron and steel production by virtue of its sulfur-fixing, deoxidizing, and alloying properties.…