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China Black Aluminum Alloy Arched Door modern Type for Villa and Office. Energy Efficiency: Blocks 99% UV and 89% infrared rays, reducing energy costs by up to 30%. Sound Insulation: Provides 30+dB noise reduction for a quiet and comfortable indoor environment. Aluminum Color Options: Available in Sand Gray, Silver Flash Black, Metallic Gray, and more. Glass Options: Includes clear, low E, tempered, frosted, and dimming glass types. Free Design Service: Complimentary CAD and BIM drawings including elevations and installation nodes. Thermally Insulated Profile: 65mm profile with 1.4mm or 2.0mm thickness options for stability. Hidden Drainage System: Improves watertightness and air tightness against heavy rain.