Buy the security door of the precautions?
To gold point of the original anti-theft lock, then you can find me Q
Attention to open the door, a good anti-theft door locks more critical than the door, not the heavier the better weight, try to buy a brand awareness, there are sub-AB lock that kind. Install the security door before the first door to complete all the demolition. Check the surface before the installation of whether there are scratches and bumps and so on.
