The main body of the Class A safe door is fabricated from high-quality carbon steel plate, featuring an aesthetically pleasing appearance, a robust structure, and smooth operation. It offers comprehensive security features, including fire resistance, drill resistance, impact resistance, and resistance to flame cutting.

This class of vault door can be categorized into single-leaf swing-type vault doors and double-leaf swing-type vault doors.

The standard lock configuration includes two UL-certified, original imported sand-gold combination locks. Upon customer request, alternative locking solutions can be configured, such as electronic combination locks, time locks, and locks specifically designed for vault doors, as well as biometric access control systems featuring palm-vein scanners, fingerprint recognition systems, finger-vein recognition systems, facial recognition systems, and iris recognition systems. ， Intelligent control system with pre-installed interfaces for remote networking and alarm devices.

Optional features include an automatic jamming device, multi-lock interlock system, secondary door, relocking mechanism, and waterproofing system. The secondary door is installed below the main door and offers the same level of protection as the main door.