Because of many advantages,upvc sliding windows are quickly seizing a place in steel windows and aluminum alloy windows.
Pay attention to the assembly quality of pvc window.
The main points are whether the appearance is smooth and non-destructive, whether the welding angle is clean and tidy, whether the sliding window is flexible, whether the casement window can be opened freely, whether the doors and windows are tightly sealed, whether the hardware is equipped with or without steel lining, etc.
The color of the plastic profiles on the surface of the doors and windows is bluish white or ivory white, clean, flat, and smooth, with no scratches or bruises on the large surface, and no welding or cracking at the welding joint. There should be a protective film on the surface of high-quality upvc window, and the user should tear off the protective film before use.
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