soundproof 、good ventilation effect 、high safety 、easy to clean 、
language：English
language：English
soundproof 、good ventilation effect 、high safety 、easy to clean 、
The sash of casement windows adopts linkage hardware to operate various functions indoors. When closed, the sash is fixed on the window frame, with very good safety and anti-theft performance. Casement windows have a large opening area and good ventilation effect, which can keep the indoor air fresh. Casement windows usually use sealing strips to effectively prevent rainwater and dust from infiltrating the room. The drainage cavity and closed insulation cavity designed by using the equal pressure principle can achieve the effects of waterproofing, drainage, heat insulation and heat preservation.
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