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!