... can increase 2.1.5kw or 2.2 kw spindle motor 3.process wood,metal,PVC,acrylic etc 4.CE approval ... not deform2) Imported ball screw rod and round guide rail to ensure accuracy3) Subdivision stepper motor with excellent performance, quick speed, stable operation ... long and safe operation4) Frequency conversion water-cooling large power motor, low noise, even speed5) Humanistic design, the machine can be ...