1. Excellent thermal insulation performance and remarkable energy-saving features.
2. Through different surface treatment processes, aluminum profiles can have any desired color and effect, thus matching the color of the indoor or outdoor environment.
3. Based on convenient and flexible maneuverability, the unique design is space saving.
4. The window does not occupy interior space and is easy to open.
5. The sash is ready for the installation of insulating glass or single glass.
6. It overcomes the shortcomings of sliding door, in which the panel can only be half opened and of the side-hung doors, in which only a maximum of two panels are possible, and the panels can only open either inwards or outwards. The "fold" flats back to the edge of the opening allowing maximum access, and more than three panels are possible to open at the same time.
7 As the steel structure is not good for air-tightness, it s more scientific and rational to open the door with the help of accessories.
8 Energy efficiency and good soundproof. Average load bearing of each door reaches 80kg