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The advantages of casement windows are large opening area, good ventilation, good sealing, excellent sound insulation, insulation, and impermeabili...

According to the material and function of doors and windows, they can be roughly divided into the following categories: wooden doors and windows, s...

Aluminum alloy doors and windows refer to doors and windows made of aluminum alloy extruded profiles for frames, stiles, and fans, which are called...

Plastic steel doors and windows were first developed by West Germany in the late 1950s and began production in 1959. The initial plastic steel door...