Vault door definition: a special custom, good anti-theft performance, high safety factor of door lock, stable shape, heavyweight, high fire, and damage resistance. The basic mechanism of the vault door: 1、the door frame, the door leaf, the day gate, the mechanical code lock, the key lock and the actuator of the lock 2、Install time locks, electronic code locks, alarms, automatic lighting systems, waterproof devices, etc. as needed. 3、It can add biometric devices such as finger