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The width of the profile frame is 90mm, and the thickness of the profile is 1.4mm.
There are flat rails, high and low rails, wide rails and narrow rails.
The window frame is connected to 90 degrees of tenon and mortise.
The width of the hollow 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 6.184kg;