... , Punching, Threading, Welding, Tapping, Riveting, Grinding, CNC machining, Laser cutting, Metal Fabrication, forming, Stretch forming, Shearing, Blanking, etc, Material& Surface finish ... .Material available:Cold & hot rolled Steel, Stainless steel, Galvanized steel, Aluminum alloy, Brass, Copper, Titanium, Iron, Nylon, Or according to customers ...