We can use a soft, dry cloth to scrub when doing usual cleaning on wooden door. For severe stains inside the surface of the door, we can use a neutral detergent or special cleaning agent to wash and then dry it. For doors made of resin or metal, we can eradicate scratches by using soft cloth and a small number of scrub toothpaste could be helpful. If the doors are made of wood or paint sheet, periodic waxing is the a useful wayappearance to keep bright color; glass or resin doors need no waxing.
Doors covered with steel plate or coated with plastic film should be protected from being scratched. In order to prolong the service life of the security door. Spray steel commodity should prevent from being damaged by water or other masonry which is difficult to get rid of. We advocate to cover protective film or cast a film on the surface of plastic board.
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