Upvc grill window has safe grills inside double glazing and stainless steel liner.
Because of high wind pressure resistance, good air and water tightness, small air and rain penetration, low heat transfer coefficient, heat preservation and energy saving, sound insulation and heat insulation, and resistance to aging, upvc sliding windows are quickly seizing a place in steel windows and aluminum alloy windows.
Upvc doors and windows are generally manufactured in factories with special cutting and welding equipment for upvc doors and windows. They are semi-automated and automated, and the quality can be guaranteed.
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