Pebble is a kind of rock that grows in sandstone mountains. Due to the construction of highways and urbanization, coupled with the soaring in recent years, the demand for gravel for construction is increasing, due to the distribution of rock and pebble resources. Uneven, the artificial gravel in some areas is relatively short, so we have to turn to broken cobblestone as the main sandstone material; then choose the broken cobblestone equipment, is it the choice of Impact Crusher or jaw crusher?