... cooling spindle motor, high efficiency,high speed . STR-1325 Series CNC RouterPerformance and Features:High speed, high efficiency, it is ... wood, aluminum, copper, PVC and so on. High precision, 1mm character can be cut and seen clearly ... , which relies on the high precision. Double motors with great power driving, that ensures the ... of the stamp and card etc. CNC Ads engraver STR-1325