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The width of the frame is 90mm, and the wall thickness of the section is 1.1 mm and 1.2mm.
This series is a three rail belt sliding window.
There are flat ril, high and Low rail, wide rail and nrrow ril.
The with of the glass notch is 8mm, which is suitable for single glass.
This series can be equipped with Lock and crescent lock.
This series can be used for windows and windows.
1.5m * 1.8m with bright windows (with screen windows) per square consumable 4.185kg;