punching for sheet metal 1.Leader in sheet metal fabrication; 2.Noted for top quality; 3.Reasonable price; 4.ISO9001 Item name:cnc punching for sheet metalMaterial:Steel, stainless steel, aluminum, brass etc.Making process:Laser cutting,CNC Punching,CNC Bending,Tig Welding,Mig Welding,Riveting, Grinding,Stamping, Assembling,etc.Surface treatment:Powder coating,Hot galvanized,Painting,Polishing, ...