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Directly use high-strength thermal insulation materials (glass fiber reinforced polyurethane) as door and window profiles, which are excellent in heat insulation, sound insulation, wind pressure resistance, and air tightness; a variety of opening methods, which can be opened inward, outward, inward, inward Hanging up and down, with various glass notches, can be installed with double glass, triple glass, insulating glass louvers to meet the individual needs of customers; the airtight strips and watertight strips used in window frames and sashes are based on the technology of the whole window Requirements, supporting design to ensure the use effect and use time; appearance with solid wood doors and windows texture; suitable for small and medium-sized construction projects with high appearance and performance requirements, and high-end residential decoration.