... : 5hp, 360-400V, 3P; Inverter: 5hp, speed 300-1600rpm; Vacuum cleaner; Diamond tool. wet stone grinding machine, stone grinding equipment Performance1, Aluminum alloy ... , Three P; 220-240V, One P;4, Water tank and vacuum port provide wet and dry grinded and polished;5 ... HWG550 Foot board, turn down the machine, for equip the diamond tools; .... wet stone grinding machine, stone grinding equipment