High speed CNC engraving machine 1.economical engraving machine 2.DSP control system 3. ... has been removed the strength. 2.GF-1325 engraving machine is the most economical product of the woodworking ... and preserve function, so it also can accomplish engraving work without computer due to 128M flash memory ... nonferrous metals,copper,aluminum,Stainless steel engraving and cutting bamboo engraving machine