The wooden gate packing in the wooden gate, the burglar-proof door, on rollers gate, each kind of aluminum models the windows and doors and so on in other windows and doors to play the very essential role. Most obvious is quakeproof, On-line installs it after door shield reduced (even vanishes) closed (window) when collided the sound, Gets up a protective function to the door leaf edge, And lengthened the gate life, reduced the noise. Next is the seal, the absorption of shock, inside and outside the isolation room the air, Effective played a heat preservation, the energy conservation role, moreover could prevent the mosquito and so on the small insect drilled to the room in. Already was widespread is suitable for domains and so on family, guesthouse, hospital, commercial building, pure project, large-scale market.