Aluminum Alloy Machanical Component Precision Die Casting Manufacturer in China: Aluminum Alloy Machanical Component, Sandblasting, OEM Available. Name: Machanical Component. Material: Aluminum Alloy. Die Casting Method: Precision Die Casting. Tolerance Grade: 6. Die Casting Machine Type: Cold Chamber Die Casting Machine. Application: Machinery Parts. Pressure Chamber Structure: Vertical. Casting Surface Quality Level: 3. Surface Treatment: Sandblasting, Painting, Polishing, Powder Coating. Service: OEM Service Available.