... engineers Quality certificate: ISO9001:2008 Sheet Metal Bracket Through its CNC punches and CNC bending machines ... Malleable iron; Tungsten steel, etc.Machining processesMetal fabrication, machining, welding, forming, shaping, punching, drilling, turning, milling, grinding, ... rolling, stamping, deep drawing, bending, spot or seam welding, spinning, forging, sand casting, die casting, investment casting ...