Water mill for donkey-hide gelatin, mastic, Panax, mung beans, pearl, a large number of consecutive dry material crushed ore continuous feeding, crushing hammer, hammer, hard alloy steel materials, wear resistance, built-in screen, according to specific requirements through the replacement of different mesh sizes of different grinding fineness, fine powder through the bag exports; special architecture running no vibration, low noise, low loss, high efficiency, simple operation, easy to move and safe.