How to change the key to the decoration of the security door with the official key

Now there are two sets of keys for the security door, the first set of keys is called the decoration key, used in the decoration, the second set is called the formal key, which is used for their own life, once the formal key is inserted into the keyhole, the decoration key is useless, and the advantage is that there is no need to change the lock.

Equipped with an anti-theft lock, it can resist abnormal opening under certain conditions within a certain period of time, and has a certain safety protection performance and meets the corresponding anti-theft security level.

The full name of the security door"Anti-theft security door"。It combines anti-theft and security performance. According to the provisions of the "General Technical Conditions for Anti-theft Security Doors", qualified anti-theft doors cannot be pried open within 15 minutes by using ordinary hand tools such as chisels, screwdrivers, crowbars and portable power tools such as hand drills, or open an opening of 615 square millimeters on the door leaf, or open an opening of 38 square millimeters in a semicircle of 150 square millimeters of locking points.

And the locks used on the anti-theft door must be a special lock for the anti-theft door with anti-drilling function that has been tested and qualified by the testing center of the Ministry of Public Security. The anti-theft door can be made of different materials, but only the door that meets the standard test and receives the safety product production certificate can be called an anti-theft door.

Hello! Generally, there are 6 keys, after the decoration is completed, use B keys (there is a reminder on the key), after turning 360 degrees, the decoration key can not be opened. But the renovation key has to be recovered.

2. Usually, use the official key to rotate a circle on the door, once the double insurance, the decoration key is invalid.

Question: The formal key is inserted and cannot be rotated.

The official key is definitely rotatable. If you can't rotate it, there is a high probability that the key is wrong.

Ask no, the key to my own house.

And there are instructions on the key box. Did you get the key wrong?

This kind of engineering key and formal key are very old technology, there is nothing special, the formal key is directly screwed, and the engineering key cannot be opened. There are no special requirements.