... , carbon steel, alloy 2. processing: drilling, Excavator Spare Parts Used For Earth Cutting 1).Factory for custom metal work2).OEM/ODM Small order accepted3 ... steel,carbon steel, aluminum, brass, zinc, etc.Processingstamping, bending, welding, punching, cnc machining, laser cutting, milling, lathing,etcSurface Treatmentpowder coating, zinc ...