3. The color is clean and beautiful: the frame material of the aluminum profile of doors and windows is treated with ammoniated coloring, and has silver-white, bronze, dark red, and other colors, and has a color pattern. The aluminum alloy doors and windows thus have a beautiful appearance, a clean surface, and bright and firm colors, which improve the decorative effect of indoor and outdoor facades. Thermal insulation in aluminum profiles for doors and windows, refractory waterproof corrosion sound insulation, and other properties are wooden windows. Steel windows, with their moderate price, luxurious appearance, diverse styles, good sealing, fire and flame retardant, difficulty in deforming, good strength, easy installation, and exquisite workmanship, are a new generation of door and window materials with broad prospects.

Cast Iron Railing Panel