... Chinese original glass tube(optional American RF laser tube)Max. Cutting Speed50-20000mm/minPositioning Accuracy ... be adjusted up & down with 200mm and 300mm moving spaceRunning conditions:Humidity: 45~85% (no condensation) ... laser tube, American-made mirrors, Rotary attachment, Up-down moving table, Side moving table, CCD camera facility, Clamp, Servo motor, Red positioning facilityMulti-head ...