In construction, highways, railways, bridges and water conservancy and other infrastructure, gravel aggregate is absolutely essential and can not replace, and is also the largest amount of basic materials. With the rapid development of the national infrastructure facilities and urbanization, the demand for sand and gravel for construction is in a period of rapid growth.…

River pebbles with a diameter of no more than 630 mm are sent to the NK75J jaw crusher mobile station for preliminary crushing by a forklift. After that, after careful screening by the feeder, small and medium-sized materials slide smoothly onto the main belt conveyor through the special grate hopper, merge with the materials processed…