Co2 laser marking machine uses CO2 gas in a sealed tube as a laser source to mark on organic materials like wood, glass, acrylic etc . This laser system is widely accepted for product identification, serial marking, date stamping etc. CO₂ laser cutting is a sheet metal processing technique that uses an electrically driven gas laser. The laser cuts contours into metal sheet material such as steel, stainless steel or aluminium. CO₂ cutting technology is highly accurate and offers a lot of shaping freedom. This even makes it easy to cut complex shapes.