● Unique opening way, new frame fan with flat, inside inverted window, opening way can meet: inside open, inside open inside inverted, inside inverted, inside inverted
● Monorail displacement sliding open, close the frame fan with the same level, sealing superior to the conventional system flat open structure
● The fan has a large open area and does not occupy the interior space. It has a hidden fan structure, which is close to the appearance effect of the curtain wall with bright frame and built-in hidden hardware. It is beautiful and simple
● It is equipped with flat open gold and steel mesh to prevent mosquitoes and ants, enhance the protection function, and have no hidden dangers in internal assembly and operation
● Structural performance up to the national standard, can meet various high standards of building requirements