The galvanized steel mailbox manufacturer takes you to understand the classification of building mailboxes:
According to the number of grids, it is divided into single-port mailboxes (only a single grid-port unit) and multi-port mailboxes (with multiple grid-port units);

According to the installation method, it is divided into embedded letter box (partially embedded in the wall after installation), wall-mounted letter box (hung on the wall outside the wall after installation) and floor-mounted letter box (fixed on the ground);
According to the general door (the door that the galvanized steel mailbox manufacturer tells you can put mail into any compartment in the letter box after opening), it is divided into the front opening general door and the rear opening general door.
Inner size of letter box compartment:
The galvanized steel mailbox manufacturer tells you that the letter box is composed of several letter box grid units, and the number of letter box grid units is determined according to actual needs.
The internal dimensions of the letter box grid are divided into two levels, A and B, and there are corresponding sizes in the grid cells of each level.
The appearance of the letter box:
The appearance and color of the letter box should be coordinated with the overall requirements of the building design; the galvanized steel mailbox manufacturer tells you that the inside and outside of the letter box should be smooth and free of cracks, scratches, burrs and obvious deformation; the galvanized steel mailbox manufacturer tells you the letter box The door and the grid opening unit in the box should be marked with eye-catching and neat numbers corresponding to the building door number; the box door should be equipped with a device to prompt whether there is mail; the letter box should have a clear China post logo.
The door lock of the letter box
The manufacturer of galvanized steel mailbox tells you that the main door and lock, the door and the lock switch of the box should be flexible, free from jamming, jamming, etc., and the shaft holes should be well matched; the locked main door and the door should be affected. At 500N tension, there should be no opening or damage; the galvanized steel mailbox manufacturer tells you that the main door should be equipped with a safe and universal mortise lock and key; each compartment should be equipped with a secret, reliable, and flexible mortise lock; should be done If the number of the door locks is not repeated until 5,000, the door and the door locks of the grid should not be damaged when opened 15,000 times in a row.