1, door maintenance: often use a clean soft cloth to wipe the dirt on the door, pay attention to ensure that the anti-theft door dry, avoid the sun and rain. Plastic plate products should be well protected plastic film, avoid scratches; Plastic coated steel products to avoid water or other difficult to remove dirt or corrosive substances, to extend the service life of the anti-theft door. It is recommended not to tear the protective film on the cladding board or cover a film on the sprayed board before finishing the decoration.

2, door frame maintenance: the door frame of the anti-theft door is made of plastic-sprayed material, and the maintenance method is the same as the plastic-sprayed door fan, but after installation, the gap between the door frame and the wall should be filled with cement as soon as possible, to avoid the loss caused by the destruction of expansion screws; Periodically remove dust from the tongue of the lower cannon lock.

3, lock maintenance: regular to anti-theft door lock core into a little pencil lead powder, to ensure that the lock rotation freely; Periodically inject a little oil into the mechanical transmission of the cannon lock, and periodically wipe the lock handle or luxury handle with a soft cloth.

4, doorbell maintenance: use the doorbell should gently press the button, power is insufficient to replace the battery, if you need to leave home for a long time, should remove the battery.

5, door mirror maintenance: should be regularly wiped with a soft cloth, avoid oil or corrosive substances contaminated, avoid damp, high temperature or direct sunlight.