Product introduction
With novel and simple profile structure, the upper and lower sliding of the window rail makes the operation of the window sash more stable and light;
It is designed with three tracks with screen, which is ventilated and insects preventing;
The window sash and the lower sliding adopt multiple sealing with excellent water tightness and air tightness performance.
Product Detail
Quality, excellence, accessories and frame design come down in one continuous line, integrated, concise and powerful.
| Anti wind pressure | 6级 3.5≤p3<4.0 |
| Airtightness | 5级 2.0≥q1>1.5 |
| Water tightness | 3级 250≤△p<350 |
| Sound insulation | 4级 35≤RW+Ctr<40 |
| Thermal insulation | 5级 3.0>k≥2.5 |
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