The second lock of the anti theft door does not enter the hole of the lock plate, can the hole of th

If it is more troublesome to change the lock body. Especially the security doors. It also involves the warranty after the lock body is changed and the security of the anti-theft door. >>>More

There are often some burglary cases in the news, so the home security system must be done well, and the security door is a very important part of the security system, with the security door can increase the sense of security. The lock of the anti-theft door is the key, and the lock of the anti-theft door is one of the components that often fail, the lock of the anti-theft door is broken, and the lock does not need to be changed directly. So, how much is a lock for an anti-theft door? >>>More

The door does not necessarily have its own lock cylinder brand Generally it is outsourced, such as the famous Panpan anti-theft door The high-end series uses CEI's colorful lock cylinder, which not only makes anti-theft doors and wooden doors, but also has its own brand of lock cylinder, which I know is Changen invincible CEI, which is a relatively high-end product. Adopt it, haha.

Spray some anti-rust lubricating oil first (generally sold in hardware stores). >>>More

Class A lock: At present, the Class A anti-theft lock key on the market mainly includes a word key and a cross key. The internal structure of the A-grade lock cylinder is very simple, limited to the variation of the pin, and the marble groove is few and shallow. >>>More