aluminium sliding windows

aluminium sliding windows
1. inferior frame design the taper broad gauge to bear the heavy, seal and slid freely, sliding track profile adopt the dentation design to enhance the waterproof, airproof performance while plus pressure and minus pressure. More advanced than the existing general windows.
2. Inferior track striker use the interior broad weather trip, that more quiet, freely and stably while sliding.
3. Inferior width profile design the broad weather trip, and more better connection with the sliding track, that more quiet, freely and airproof while sliding, and more rational & scientific.
4. Inferior frame track increase a automatic “Up-Down” sealed valve, which will be at “Down” position when under a good weather, to prevent the pollution of weather trip and as a cover for the scupper; and will be at “Up” position automatically when the plus pressure increase under a bad weather. Clinging to the bottom of inferior width and the edge of sliding track, the more worse weather, the more excellent airproof performance, that more rational & environmental.