1. Check the reason. The bedroom door lock from China manufacturer cannot be opened. Check the reason first to see what causes the lock to not be opened. The reason that the lock cannot be opened may be that the lock cylinder is broken, the spring has failed, there are foreign objects in the lock, the lock cylinder is not sensitive, the lock is stuck, and the key is forgotten.
2. Lubricate with oil. If the door lock cannot be opened because the lock cylinder is not sensitive or the lock is stuck, you can take some oily substance and drop it in the lock to increase the lubricity of the lock, and open the lock with the help of oil lubrication.

3. Remove the foreign body. If there is a foreign object stuck in the lock, it is recommended to use pliers, tweezers, etc. to pick out the foreign object.
4. Pick the lock directly. If the lock is broken, the spring of the lock fails, etc., the door lock cannot be opened, and you can directly pick the lock if you want to enter the door in a hurry.
The above is an introduction to the reasons why the bedroom door lock from China manufacturer cannot be opened.