My security door is equipped with three types of keys ABC, of which key B is used for decoration. No

Updated on Security door 2024-07-31
2 answers
  1. Anonymous users2024-01-24

    It may be that you didn't do it exactly according to the instructions, but you check it carefully, including the angle of each detail, the number of rotations, and so on.

  2. Anonymous users2024-01-23

    What brand is the anti-theft door, tell me.

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The anti-theft door has ABC3 kinds of keys, and the A key is used when decorating the decoration is completed and the C key is used to screw 360 degrees in the opposite direction The A key can not be used, and only the B key can open the door to the door key Divine Thought. (There is a description of the difficulty of the manuscript behind the key when handing over the room). >>>More

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One is for decoration!

The second is mainly to make the decoration unopenable! >>>More

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At present, according to the "Mechanical Anti-theft Lock" standard issued by the public security department in 2015, the anti-theft door is divided into three levels, A-level lock, B-level lock, and C-level lock, and the anti-theft performance from A-level to C-level is getting higher and higher. The differences between Class A, B, and C keys are as follows: >>>More

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Nothing has an impact. My family has been using A and B keys for many years. It's normal that you haven't upgraded all the time.