1. Introduction: Importance of strength in aluminum windows
2. Key Factors Affecting Strength: Alloy, temper, profile design, wall thickness, reinforcement
3. Testing Standards: ASTM, AAMA, EN
4. Manufacturing Quality: Extrusion, welding, assembly
5. Supplier Evaluation: Experience, certifications, capacity
6. Case Study: Foshan Curma Building Materials Aluminum Co., Ltd.
7. Conclusion: Summary and recommendations
2026-07-02
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