Plays on the doors sealed the doors, security doors, sliding doors, aluminum windows and doors and other doors of various key role as amended. Sound of the collision, on the edge of the leaf play a protective role, and extend the most obvious is the shock, after the door stop line installed it on mitigation (or even disappear) the closed (window) when the door of life and reduce the noise. Second is sealed, shock absorption, isolated indoor and outdoor air, effectively acts as a thermal insulation, energy-saving effect, but will prevent mosquitoes and other small insects drill indoors.

     Slotted seal on the door is open in a groove, the seal is installed on this grooved seals, sealing strip embedded slot easy off, easy to install.