Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. . The earliest crushers were hand-held stones, where the weight of the stone provided a ... in 1960 may be able to produce 170 tons/h of crushed rock, whereas the same size crusher manufactured today may produce 300 tons/h.best jaw crusher for making stone,World Class Manufacturer of Portable Rock Crushing EquipmentLet one of our crushing pros help you determine the best for your . is making the customer more productive and profitable by providing the best.
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