The width of the profile frame is 98mm, and the thickness of the profile is 1.4mm.
There are flat rails, high and low rails, wide rails and narrow rils.
The window frame connection and the window sash are connected by a 90 degree tenon joint.
The width of the hllow glass notch is varied.
This series of Lock and crescent Lock can be installed.
This series can be made of window, window and so on.
Standard window 1.5m * 1.8m with bright windows per square consumable 6.851kg;
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