1. When using iron padlock, do not hang heavy objects on the lock handle or avoid sharp objects from scratching or scratching. When opening or closing the door lock, do not use excessive force or open the angle too large to avoid damage to the bolt. .
  2. Don't use hands with water stains (or other solutions) to open the door lock frequently to avoid discoloration of the door lock. When opening the door lock or turning the door lock handle, do not use excessive force to reduce the service life of the door lock. Hinges, door locks and other frequently moving hardware accessories should be tightened immediately when they become loose. When the door lock does not open properly, you can add an appropriate amount of pencil lead foam to the key hole, and remember to lubricate it with edible oil or the like.
  3. When removing stains on the surface of the copper lock (such as handprints), you can use a soft cloth to wipe it after moistening with air. It is easy to scratch the surface with a hard cloth. If the stain is too heavy, you can use a neutral detergent, toothpaste or furniture. Special cleaning agent, wipe clean immediately after decontamination. Do not rub the edges and corners of the long shackle padlock frequently to avoid fading and damage to the finishing materials at the edges and corners.