Welded Parts, CNC Machining Parts, Forging Part manufacturer / supplier in China, offering Professional Custom Manufacturer Precision A380 ADC12 Aluminum Alloy Die Casting Parts, Customized Aluminum Zinc Alloy Die Casting Precision Metal Zinc Alloy Die Casting Magnesium Alloy High Pressure Die Casting Powder Coating After Shot Blasting, OEM Shield Tunneling Machine 13 Meters, Shield Tunneling Machine Parts Welding and Processing (340 tons) and so on.