... various kinds of forging parts. 4,heaviest forged ring 10 t Product DescriptionWe have enough forging machines ... Tungsten steel, etc. 2. Machining processes: Metal fabrication, machining, welding, forming, shaping, punching, drilling, turning, milling, grinding, chip ... , rolling, stamping, deep drawing, bending, spot or seam welding, spinning, forging, sand casting, die casting, investment casting, ...