1. Aluminum alloy doors and windows are metal, not rusty, and have a long service life, 30-50 years;

2. Stable performance of doors and windows, easy to open, not easy to deform and age;

3. Insulating glass can be used for aluminum alloy doors and windows, which can be soundproof, sunshade, heat-preserving, and have good air and water tightness;

4. Broken bridge materials can be used for aluminum alloy doors and windows, which has good heat insulation effect!
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