タイトルまたは説明

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

2. Frame and fan splicing angle design to improve the efficiency of door and window processing and assembly;

3. Diversified surface colors, strong environmental adaptability, and beautiful styles

4. Smooth frame material structure design, metal chute, and specialized **4 stainless steel accessories with high window strength, firm and beautiful appearance;

5. It does not occupy indoor space and is equipped with insulating glass, which has excellent insulation and decorative performance;

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