Broken bridge aluminum doors and windows profiles generally how large 50 series, or 60 series, 80 series?
General sliding window is 70,80,90 series. Sliding window two fans overlap, wide width. Flat window 50/60 can be.
50,60,80 that is the thickness of the window from the inside out. Nothing more than the installation of insulating glass can be thicker, thicker hollow layer. Of course, the overall strength is also getting higher and higher.
Not to say that the sliding window and flat window to choose which one.
The office of the 60 can fully meet the demand.
