Can the security door be rotated but can t be opened? You can hear the sound of the lock cylinder ca

Updated on Security door 2024-09-16
3 answers
  1. Anonymous users2024-01-24

    It may be that the lock cylinder is broken, it is recommended that you replace the lock cylinder and try it!

    If you want to find a good anti-theft lock cylinder, it is recommended that you take a look at CEI's invincible colorful lock cylinder, CEI's colorful lock cylinder has passed the super B level test and the European Union's CE certification! The anti-drilling time is more than 30 minutes, and the anti-technical opening time is more than 270 minutes. CEI multi-color lock adopts the combination of "tenon lock beads + double beads + finger beads embedded with serpentine grooves", triple composite locking mechanism, and builds three anti-theft passes, which form a three-dimensional barrier, which has become the nemesis of technical unlocking.

  2. Anonymous users2024-01-23

    Those professional terms are said to fool the people, and what is the nemesis of unlocking, like the promise of "opening the ** door within four hours to reward 20,000 yuan" for other people's anti-theft doors, and there is a guarantee of 10,000 yuan in compensation for theft? If you don't, don't be confident there!

  3. Anonymous users2024-01-22

    The key inserted into the lock hole can rotate left and right normally, which means that there is no problem with the lock cylinder, most likely because there is a problem with the lock body or the lack of lubrication of the upper and lower heaven and earth rods, resulting in the upper and lower points can not be completely opened.

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