The company s warehouse decoration and installation of anti theft doors and windows took 4,000 yuan,

If you use the main lock and want to use the decoration lock, you can change it to a new lock. Such. Decoration locks are ready to use.

It's not easy to pretend!

It's up to you to see the actual terrain, or the installation master's technique! dao >>>More

It can't be airtight. In the air, carbon dioxide is very dense, and when it is still or the air velocity is not large, it will generally sink down and emit outward from the crack of the door near the ground, and other air will be replenished in other gaps. If it is really airtight, such a decoration is not good for the body, and unexpected things may happen, so be careful. >>>More

If you have an AB key, you generally give the decoration master a B key, and once you open the B key, it will lose its effect.

The property company is a female businessman to install you are the cheapest security door performance is definitely not good, he has no right to let you dismantle the security door, but if you obstruct the fire escape, it is recommended that you go to the Internet to consult the relevant local fire regulations! Because each province's fire protection laws are different!