What should I do if my own security door vibrates when the unit security door is closed

This is very simple, when you close the door, listen to whether it is the sound of the hinge of the security door, if you go to find a little lubricating oil or lubricating oil of the car, get it to the hinge, and then close the door back and forth a little more, let the oil seep in! If there is still a sound, you can continue to consult me!

The specific criteria are not known.

But when you put it on, it's stuck on it, it's high above the ground, and you put some cement on it in the ground, and you wipe the seams, and it's over. >>>More

Fingerprint anti-theft door Compared with ordinary anti-theft doors, there is an additional "fingerprint password board" under the cat's eye, which is equivalent to a door lock, and it is also the most special place of the fingerprint anti-theft door. In addition to this difference, the fingerprint security door is the same as the ordinary security door, but the security of the fingerprint security door is related to the fingerprint password board, as well as the brand of the security door, so which kind of security door to choose depends on your family situation. >>>More

Of course it's not legal, just call the police.

You plug in the key, then pull the towel open as you twist it.