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Project Location：in Beijing ,China Size: 4m*4m Vertical bi-fold overhead door system. These beautiful vertical folding glass walls are constructed from all aluminum and stainless steel parts and are suitable for commercial, retail, and residential applications. By eliminating the need for a overhead structure, architects and customers will have more clear opening to create amazing views and access. In order to take full advantage of natural light, the GZGY glass wall finishes include clear laminated glass, frosted glass and privacy glass. The GZGY dual panels create an awning and no interior projection allows for screens or air curtains mounted inside your opening. Clean lines and spectacular looks make the GZGY a favorite. The GZGY requires no additional structure at the header and attaches to the jambs only. #steel bi-fold doors #upward bifold door #Overhead Door#manufacturer
