Please ask if the entrance security door is not installed correctly, and the result is that the vitr

The wall is oblique, and the upper corner of the door frame will not be locked when the door leaf is closed, so you can take paper tape and stick it straight and hit a strip of black glass glue.

Of course, this is the property that should be managed.

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.

First, the general anti-theft door is not recommended to install a door stopper, one security door does not need to be opened often, and the other is that the installation of a door stopper on the security door is not practical. >>>More

Famous brands have high, medium and low price points. Such as Panpan, Longjia, Xinduo, Wang Li, etc.