Sliding window: about, both the upper and lower sliding. Sliding sash does not occupy the interior space advantages, the appearance of beautiful, affordable, seal better. High-grade rails, and a little push, open and flexible. Coupled with the large pieces of glass, the increase of indoor lighting, but also to improve the overall morphology of the building. Sash by state, not damaged, but the ventilation area is subject to certain restrictions. 
 Radio windows: shoot window structure similar to the casement window, just hinge, hinges, installation location, installation at the top. The exit window is more suitable for kitchen, bathroom and a small window or central air conditioning, hotels, office buildings, sometimes supporting the use of the casement window, sliding window. 
 Flip open the window: This is the most widely used German application, window, its technical content is relatively high. By turning the handle to select the doors and windows closed, inward flat open and hanging at the top inward on flat, so as to achieve sealing, ventilation, adequate ventilation and anti-theft purpose. Hardware and more for foreign imports, the price is relatively high. 
 Casement, sliding the door: similar to the casement, sliding, window, just because of their larger size, and thus need a larger cross-section profiles and greater strength hardware, the price is correspondingly higher. 
 U.S. industry frameless balcony window