1.Look at the "teeth" of the key. The more teeth, the deeper the teeth, the more complex the arrangement, the greater the difficulty of opening, and the better the anti-theft performance. 2. Weigh the lock by weight, and compare the weight to the lock cylinder. The heavier the weight, the better t Read More

What should I do if the anti-theft door lock is broken?In order to prevent thieves, almost every family has installed anti-theft door locks. After a long period of time, problems will inevitably occur. If problems occur, they have to find a locksmith. The lock cylinder cannot be repaired and can onl Read More