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Anonymous users2024-01-24Security general anti-theft door, a key can be opened up and down lock, side up and down lock and the lock in the middle of the guillotine, secondly, there is a manual latch in the middle of the side of the door; Now some security doors have added a lock on the basis of the above, but another key is required to control it.
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Anonymous users2024-01-23I took the college entrance examination 2 this year
I don't really understand what you mean.,Generally, the keyhole is exposed to the outside.,How can it be blocked by a baffle?
Yes, but you need to change the lock body, lock cylinder, and handle. Because the lock cylinder is changed separately, it can't be installed. Holes do not match.
The fire box cannot be moved casually, otherwise the architectural drawings will have to be changed. >>>More
The non-perforated smart security door is a kind of smart security door with a mechanical keyhole design on the surface.
What is the principle of supermarket security door? Since ancient times, the role of the door is to keep out the cold, the other is anti-theft, in order to prevent theft, the door has been continuously strengthened from the wooden door to the anti-theft door, the anti-theft door can be very effective to protect their property, and the supermarket is particularly needed, the supermarket covers a wide area, only relying on the camera is not really anti-theft, so the supermarket also uses the anti-theft door, the supermarket's anti-theft door is not an ordinary door, so what is the principle of the supermarket's anti-theft door? >>>More