This machine is CNC engraving machine.It can engraving copper,iron, alumium,plexiglass,ABS,PVC sheet and so on. ... The use of advanced computer numerical control CNC engraving machine is engraving process the following products, materials can be copper, iron ... various of small and precision molds, such as commemorative plaques, name plates, watches and clocks, pen engraving, molds of zippers.