... the most stable and mature one in laser domain.8,Compared with CNC Punching machine, YAG laser cutting machine has the following advangtages: (1) ... done by CNC punching machine can be done by this cutting machine. (5)cutting surface is very smoothful with high quality which can't be ... steel, carbon steel, alloy steel, spring steel, copper, aluminum, gold, silver, titanium metal plate and steel tubes.