2)Wood-aluminium compound, not only beautiful, but also practical.
3)The sash can be rotated through 160degree allowing easy cleaning and maintance
4)Handle positioned for easy operation
5)Specially designed flashing of better function of sealing and waterproof
6)Big ventilation allow the amount of fresh air flow into the room with window closed.
7)Easy to install, easy to use, feature complete system.
Standard: 78*98cm, 78*118cm, 78*140cm, 114*118cm, 114*140cm or follow your demand