... and vibration lens.It is integrative design, beautiful structure,high output power,good energy stability, simple and convenient operation ... ,paper,leather,electronic parts,IC,ornamental engraving.High reliability,long resistance,high energy exchange,top beam quality,air cooling ... ±10%/mono-phase/380V/three-phase/50HzCooling Machine Power2PCooling ModeOutside Water Cooling Metal Marking machine