The anti theft door made of paper fools the owner, who is looking for reason to talk about the meani

Updated on Security door 2024-05-20
3 answers
  1. Anonymous users2024-01-24

    Are you talking about the internal filling of the security door is honeycomb paper?

    The door fillers from the south are all this thing.

    It is normal that in the north, it is generally rock wool or directly filled with styrofoam.

  2. Anonymous users2024-01-23

    The industrial and commercial department complained, and the security department.

  3. Anonymous users2024-01-22

    The inside of the anti-theft door is filled with honeycomb paper, which is in line with national regulations and will not affect the safety performance.

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If I can move the handle, I judge that the lock should be a double fast lock, you can try it like this, first insert your key half, see if it can be turned, if not, then you can judge that the key is a problem; If it can be rotated, then this lock cylinder should be an idling lock cylinder, and the pro must be that the key is not inserted in place, so it causes idling. That can't be helped, it's a problem of pro's use habits, you can correct it next time, if you're interested in changing the lock cylinder, you can consider the Saidian brand super B-level anti-theft lock cylinder, idling, anti-technology opening, anti-violence, anti-interruption, is the lock produced by the expert committee of China's lock industry, you can go to the baby to find the Saidian lock.