... resistance is not more than 350 M Pa.2.Widely used in hydropower, highways, railways, artificial gravel, construction and other industries.3 ... .Working principles:The rotor rotates in high speed driven by the motor, and the materials are ... .32840*2748*2556PF-13161690X859350150-22020019.53096*2850*2667 impact crusher used in highways,railways,construction