Community mailbox can be said to be a must in our modern community, and it has become a necessity in our lives. Wall mounted mailbox manufacturers tell you that modern mailboxes are no longer like old-fashioned iron boxes. People can use them to receive letters and bills, which are indispensable in our lives. Therefore, we must be clear about the experimentation, maintenance and protection of mailboxes.

The Wall mounted mailbox manufacturer tells you to be careful when installing it. A professional installer will take care of it for you. After you put it into use, you must pay attention to cover it. Never hit it with hard objects to prevent it from being deformed and scratched by collision. Nor can it be scratched with sharp objects such as knives. This is very inaccurate.
1. The Wall mounted mailbox manufacturer tells you not to scratch the surface of the letter box, and do not use rough and sharp materials to scrub the surface of the stainless steel letter box, especially the mirrored one. Use a softer, non-shedding cloth to scrub. , Sand steel and brushed surface, you must follow the lines to wipe, otherwise it is easy to make the surface dirty.
2. The Wall mounted mailbox manufacturer tells you to avoid using washing liquid, steel wire balls, grinding tools, etc. containing bleaching ingredients and abrasives. To avoid residual washing liquid from corroding the surface of the stainless steel letter box, rinse the surface with clean water at the end of the washing.
3. If there is dust and dirt on the surface of the stainless steel letter box, it can be washed with soap or weak washing. The binder component should be washed with alcohol or organic solvents (ether, benzene).
4. The grease, oil and lubricating oil on the surface of the stainless steel letter box should be cleaned with a soft cloth, and then cleaned with a neutral detergent or ammonia solution or a special detergent.
5. There are bleaching agents and various acids attached to the surface of the stainless steel letter box. Rinse immediately with water, then soak with ammonia solution or neutral carbonated soda solution, and wash with neutral detergent or warm water.
6. The wall mounted mailbox manufacturer tells you that there are rainbow patterns on the surface of the stainless steel letterbox, which is caused by excessive use of detergent or oil. It can be washed away with mild washing in warm water.
7. The wall mounted mailbox manufacturer tells you that the rust caused by the dirt on the surface of the stainless steel letter box can be washed with 10% nitric acid or abrasive detergent, or with special detergents. The wall mounted mailbox manufacturer tells you that as long as we use the correct maintenance methods, we can extend the service life of the stainless steel mailbox and maintain its clean, bright and gorgeous style.
The inner and outer surfaces of the letter box should be smooth and flat without burrs, cracks and unevenness, and no bruise marks; there should be no dust in the letter box, no black marks gathered during marking and polishing, and no black solder joints in the eye-catching places; each box door and The gap between the spacers (or the outer frame) must be uniform and not greater than 1.5mm; the surface must be smooth after sanding the welding port, and the sand pattern should be parallel and free of irregularities and no bumps and scratches.
The wall mounted mailbox manufacturer tells you that the joints of the letter box laminates should be at the partition (not visible to the naked eye), the folding edges of the door panels should be neat, and the four corners of the door panels should be micro-grinded to remove the burrs. The standard is not to cut your hands; electronic The card swiping panel must be vertical and fastened without loosening and other obstacles.
The wall mounted mailbox manufacturer tells you that the wall mounted mailbox should reserve the space required for the installation of the mailbox in the wall, and there should be a gap greater than or equal to 20mm between the box and the surrounding walls. The gap between the outer frame of the box and the wall should be filled with filling materials, and the outer joints should be sealed.