أبواب مفصلية من الألومنيوم

70 series aluminium hinged doors Safety: 70 series 1.6mm thickness strong profile with low explosive rate glass. Environmental and energy saving: Low U value and thermal break aluminum alloy for energy-efficient insulating glass. Comfort: Handles designed according to human body mechanics. Ventilation: Lets outside air flow inside for refreshing air. Performance: - Wind Pressure: 3000 Pa, Rating N6/C4 - Air Infiltration: 0.1 L/s·m² (Rating: Low) - Water Penetration: 900 Pa N6/C4 (Exposed) - Ultimate strength: 4500 Pa As a China-based system windows and doors factory, we provide developers and architects with precision-manufactured integrated systems at competitive wholesale pricing to support iconic globally building milestones.