Mining is one of the oldest activities of man. It is the se- load the blasted rock and transport it to special, steeply lective extraction of ore from the Earth’s surface. Man’s  inclined ore paths. The ore is then loaded into special mining activities began at the start of the Stone Age  buckets and hoisted…

As is known to all, stone crusher is a kind of the use of impact energy to crushing material crushing machinery. In highway, railway, water conservancy, chemical industry, electric power and building work is widely used in the production of ballast. As mining machinery and equipment production, Liming heavy industry combined with many years of…