As we can see from high grade residence such as villas, glass window will take up a big part of decorative function, as glass window will bring more lights, better viewing, and a kind of fashion atmosphere. But traditional glass window will make the building monotonous, then glass sash window will m

As one of the most economic window design, louver window has very simple structure, but this is not a limit to louver window design. Normally a louver window is with outer window frame, louver frame accessories and sashes. Outer window frame can be made by aluminum structure, steel structure or wood