1. Material: ZL101A Alloy. 2. Application: Aerospace industry. Shipping industry. 3. Size: Wall thickness: The local thinning of wall-thickness is 1.2 mm. 4. Keypoint of technique: Complicated casting structure, multi-cavity and boss inside. The transition of the thin and thick section is sudden. 5. Heat Treatment: T6. Solution Treatment: Ageing. 6. Standard: ASTM E155. 7. Acceptance Criteria: ASTM E2422. 8. Process: Sand Casting, Gravity Casting, Low-pressure Die Casting, High-pressure Die Casting.