Aluminium double hung windows dh

Key Attributes.

1. Slide smoothly, easy to install. 2. High intensional lining steel .wind resistance capability is excellent. 3. Durable, high tightness . no crack after long time usage. 4. High corrosion resistance, weather resistance, heat resistance and alkali resistance. 5. New generation decorative material which produces a natural appearance. 6. Water-tight: Well designed rain protection structures. Water-tight properties meeting relevant national standards. 7. Security: Strong structure protects against break-ins. 8. Design: Heat insulation design and construction in accordance with national standards, thus receiving recognition from relevant national authorities.