Aluminum alloy doors and Windows: the product has good insulation, heat insulation, sound insulation, has a good water tight air-tightness, suitable for insulation performance-intensive areas, particularly in the Interior and exterior of the North is relatively large areas, is an effective construction of energy-saving products. Main features: 1, and aluminum profile outside side is divided into two part, both between used with strengthened glass fiber of polyamide nylon 66 of insulation article for connection, formed insulation aluminum profile, thereby effective settlement has aluminum profile thermal coefficient big of problem, while full uses aluminum profile strength high, easy processing, got corrosion, durable of features; 2, and polyamide nylon 66 insulation article has high strength Xia of good insulation effect, line expansion coefficient and aluminum profile near, anti-UV, anti-aging, Excellent resistance to chemical corrosion; 3, using strip for multi-channel and multi-lay