... cutting speed, hig precision, good cutting effect.Description:Laser cutting machine can engrave many materials, such as wood ... or install reamer strip)motherboard; 11, lens: original import laser lens; 12, strap: original import transmission strap; 13, ... present 1 set compressing magnetism pump.14, mainboard: Liquid Crystal Display , brainpower mainboard;offline working realising download with u disk ...