Metal marking machine, electro-chemical marking machine, laser etched machine, pneumatic marking machine, co2 laser marking machine, lamp-pumped laser marking machine, diode laser marking machine, fiber laser marking machine, laser carving machine, laser welding machines, laser cutting machine, laser scribing machine, laser jet coding machine, laser filling mold machine, laser engraving machine, pcb laser drilling machine, ctp laser plate-maker, laser resistor trimming machine.