... , high cutting speed, hig precision, good cutting effect.Description:Laser cutting machine can engrave many materials, such as wood block ... honeycomb (or install reamer strip)motherboard; 11, lens: original import laser lens; 12, strap: original import transmission strap; 13, wind ... flows in oppsite direction, there'll be no laser beam, wahich protect the laser tube in an effective way. 5, Adopt CCD ...