Main Equipments: PE1200×1500 jaw crusher, cone crusher, vibrating scree, vibrating feeder and conveyor. River Gravel Crushing Plant. As a pure natural stone with high usage value, river gravel is formed in the longterm impact, squeeze and friction function. River gravel generally shows the color of black, white, yellow, red, green gray, etc. Hematite Ore Processing Plant. Hematite ore is an ...