CO2 marking machine: 1.For metal,SS,engraving,leather,clothes 2.Laser engraving and cutting 3. ... ,rubber,paper,leather,electronic parts,IC,ornamental engraving.High reliability,long resistance,high energy exchange,top beam quality,air cooling,low ... -phase/380V/three-phase/50HzCooling Machine Power2PCooling ModeOutside Water Cooling Metal Marking machine