hot sale sand making machine 1)Simple structure 2)High crushing ratio with low consumption 3)Low noise 4)No pollution sand making machine ... 0.31 KWSafetyTo make sure the supply of oil with double oil pump,working without oil, temperature when water cools, start the motor ... 0.31 KWSafetyTo make sure the supply of oil with double oil pump,working without oil, temperature when water cools, start the ...