... ISO9001, CE certificate 2:Hydraulic feed ,Auto measure feed length, tolerance 0.2mm 3:Auto work CNC Metal cuting machineModel NO:GZK4240 ... speed22, 40, 60 m/min (3 steps)Chip cleanAuto Auto chip removal system Roller work table in the behind of ... replace the function of traditional control panel ,digital setting , indicator lamp etc. display the equipment state all the time. Operation instruction ...