Appearance and Structural Craftsmanship:

Aluminum Material: Seamless welding and corner code injection molding process, narrow frame minimalist design

Profile: Using titanium-copper primary aluminum, higher hardness, stronger toughness

Surface: Dutch Akzo powder fluorocarbon spray, color does not fade for 15 years

1. Three-seal design for strong air tightness and water tightness

2. Inner and outer flat frames, overall pressure line design, elegant and generous

3. Ultra-clear high-transparency window screen to prevent small insects from entering

4. Internal opening sash with inverted R5 rounded corner design for added safety

5. Equipped with lifting accessories to prevent falling and deformation

6. Rubber strip adopts bendable integrated design for higher air tightness and water tightness

7. Transmission parts rotate around the sash, mushroom head multi-lock point anti-theft, stronger sealing, safer

8. Double tempered glass for strong wind pressure resistance

9. Middle rail drainage adopts diversion hidden drainage

10. Frame and sash isothermal line design, using large cross-section multi-cavity 35.3mm thermal barrier.