6063-T5 aviation-grade aluminum alloy, multi-chamber structure

Profile wall thickness: 2.0mm

Sandblasted injected corner codes for secure and stable connections

Outer frame thickness: 96mm

Inner sash thickness: 96mm

Visible sash interior width: 60mm

40H-type integrated multi-chamber thermal break strip

Wrapped EPDM rubber seals

Optional triple glazing: 5+12A+5+12A+5 Xinyi glass for enhanced safety

European standard groove hardware solution

Integrated bent hollow aluminum strips for improved sealing performance

Injection sealing / internal and external sealant-free installation

Hollow layer filled with moisture-proof molecular sieve

Isothermal line alignment design

Three-layer seal on outer frame for better sound and thermal insulation

13-chamber design in opening frame

6 support points on wall contact surface