The width of the profile frame is 80mm, and the thickness of the profile is 1.4mm.
There are flat rils, high and low rails, wide rails and nrrow rils.
This series can be used as monorail push and pull, two rail push and pull.
This series of hollow glass grooves can be selected with various widths.
This series of lock and crescent lock can be nstalld.
This series can be made of window, window and so on.
Standard window 1.5m * 1.8m with bright windows per square consumable 5.729kg;
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