... powerful,specially suit comminuting colloid,large veneer, piping material, machine crust,plastic,last,etc..Model A and C more suit ... thecomminuting materials,character,etc..Comminuting noise depends on comminuted materials,motor,knives construction.Special types of machines can be customized. ... 540D50-751010x6006203 row x 3pc2 row x 1pc900-12001800x1700x21001800 Powerful crushing machine