Raw materials (< 500MM) are fed to "10m° vibration feeder " by forklift, then conveyed into "PE600x900 jaw crusher" to broken, after that transport to "flat vibrating sieve" to screen. > 30MM stone materials are transport to cone crusher mpact crushers or fine crushers to rough break. screening < 30mm stones mix with the material that screened out of "PEX300*1300 fine jaw crusher", through the "dump type permanent magnetic iron remover" to remove the iron and screws in the materials, then conveyed to the "roller mill" or "Vertical mill" to grind into approximate <3mm powder and conveyed to material bay by belt conveyor.