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The Consumer Rights Protection Law protects your rights and interests, and you can negotiate first, not go to the Consumer Association.
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First of all, we should negotiate with the developer, and it is best to solve it privately, and if not, we can protect our rights and interests through the law.
How to open the anti-theft door lock, the trick of unlocking the anti-theft door. >>>More
After the renovation is completed, you can use another set of keys to turn 360 degrees, and the set of keys used in front of you will not be able to open this lock.
The lock body is broken, find a locksmith to change it, it is not easy to install yourself, and you can't even open the door if you don't install it well, almost 150 fast.
Call the police and let the police help you.
Let the worker use the A key, after the decoration is completed, use the B key "waste A key", after the B key is lost or broken, use the C key to open the door "waste B key", and then change the lock core.