With the decoration of solid wood doors, the appearance is rich and beautiful, the panel is easy to replace, and it can adapt to the decoration style of different periods at any time, and it will last forever. The inner core of the product is made of all-water fluorine-free polyurethane foam board, the overall strength of the door body is high, and the performance is stable. The door structure has a double-channel sealing system, and the sound insulation can reach 35db. The overall door thermal conductivity K ≦ 1.5w/(m2k), has excellent sound insulation and heat preservation, and the anti-theft and fire resistance can meet the requirements of the corresponding national standards.