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Factory Direct Sale Insulated Steel Fireproof Windows Suitable for Hotels and Apartments. Excellent fire resistance, 30/60/90mins fire rating for safety protection. High strength steel frame, anti-rust, anti-corrosion and long service life. Sound insulation & heat insulation, good air tightness. Tempered/explosion-proof glass, safe and impact resistant. Various opening styles (fixed/casement) to meet different demands. Custom sizes & styles available for various projects. Elegant appearance, match diverse architectural decoration styles.
