Who knows that it is difficult to solve the problem

Every house is an indispensable door, which is very important. The role of the door needless to say, now the home is equipped with anti-theft doors, a strong sense of security, many property anti-theft door partners are anti-theft doors. As long as different things have their own use scope and use period. If the anti-theft door is broken, is it necessary to change the door and other problems will appear, which seems to be a problem. In fact, it's not as difficult as you think. The anti-theft door can change the lock cylinder. Everyone thinks that they have experienced a small note on the door handle (small advertisement: lock repair and change the lock cylinder phone ）It has become a problem to repair the lock and replace the lock cylinder. Is it difficult to solve this problem? Are you looking for a professional to do it? If you don't know what to buy to install, the easiest way is to remove the broken ones and take them to the building materials city or lock supermarket to find a professional match. I think it's too troublesome to ask the property management of the community. They usually have information about the lock model of the owner.