concrete floor grinding machine: Features: 1: This concete floor grinding machine adopts high-speed planetary grinding. 2: Automatic balance, can be for different floor grinding. 3: 4 gear reducer to ensure the service life much longer. 4: Intelligent adjustment of the speed, troubleshooting can increase the effectiveness and ease of use. 5: Grinding diversification, can be selection according to the floor. 6: The concrete floor grinding machine is multi-purpose, transportation convenient, easy operation, beautiful shape and large capacity water tank. 7: Control panel operation is more convenient and flexible, beautiful and generous. 8: The first adopt aluminum alloy casting gear box and aluminum motors to ensure the machine continuous working. 9: Separate handling and more humane. 10. Water out way: manual ModelVoltageMotorOutput speedWork AreaN.W.NO.of GrindingFunction (L)EffectJS-580A22010P0-1500RPM600mm2220-300kg 9Can be trim,refurbishment,polishing,crystallize and cleanbestJS-580B38010P0-1500RPM600mm2220*300kg 9JS-500C3807.5P0-1500RPM600mm2200-280kg 9JS-500D22007.5P0-1500RPM600mm2200-280kg 9