crusher backing gyratory

SKD cone crusher With Patent concave From Oem, Crusher Liner, SKD Spare Parts, Concave manufacturer supplier in China, offering Cone Crusher Concave Wear Liner Suit HP300 SKD SKD Crusher Spare Parts, Apply to SKD Barmac Crusher Parts B7150 Rotor Tip with Carbide, Adapt to SKD Crusher ...Crusher,  · A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust.Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated.