タイトルまたは説明

1. Closed cross-section structure of frame and fan cavities; Strong corrosion resistance.

2. Frame and fan splicing corner design, high strength of doors and windows, suitable for large-scale production in factories

3. Diverse surface colors and strong environmental adaptability

4. Smooth frame material structure design, ribbed profiles, high bending strength, firm and beautiful appearance;

5. The metal profile insulation strip is divided into compartments and equipped with insulating glass, which has excellent insulation performance;

6. Reasonable combination of frame and fan, good structural support performance, and good waterproof and sealing performance