السعري كسارة الحجر مصنع ر ح. كسارة الفحم ح - arabcrushingmachineasia. A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust The earliest of these were in the foundries, but as coal took hold the larger operations , in 1960 may be able to produce 170 tons/h of crushed rock, whereas the same size crusher manufactured today ...