Automatic sealing strip at the door bottom (concealed installation): there are two kinds of automatic sealing strips at the door bottom, open installation and concealed installation, which can automatically seal the gap at the door bottom without rubbing the ground. When the door is closed, the adhesive strip will automatically fall to seal the gap at the bottom of the door; When the door is opened, the rubber strip will pop up automatically, which will not affect the opening and closing of the door.

In addition, it is also equipped with imported EPDM (ethylene propylene diene monomer) environmental protection and energy-saving door and window frame sealant strip, with its own back glue, which is adhered to the periphery of the door and window frame, and can effectively perform the functions of sound insulation, dust prevention, anti-collision, smoke prevention, wind prevention, insect prevention, etc.