... Laser cutting machine 1.High speed and precision cut & engrave 2.Stable performance 3.Free lifetime after-sale support laser cutting machine ... stone engraving ,advertisement, decoration line, etc, and like the large-scale workpiece Technical ... ,140W(Imported Co2 laser tube)100W,150W,200W(Imported RF laser tube)Controlling ... cutting depth0-25mm(it’s up to the material)Cooling wayscirculation of water ...