One. Aluminum alloy boxes can be divided into air travel cases, briefcases and trolley cases according to their performance.

The characteristics of the suitcase are that it has a handle at one end, which can be lifted and operated easily, especially suitable for narrow aisles. The briefcase is popular among consumers because of its small size and portability. As the name suggests, the trolley case has a built-in lever. The user can pull the lever out of the longitudinal direction with a single push of the button and pull it away like a luggage cart. Lightweight and labor-saving is its advantage.

Second, according to different materials, aluminum boxes can be divided into two categories: hard and soft.

The hard case includes an ABS (styrene polymer) box and a PP box (injection molding), and the soft box generally refers to an EVA (high density foam) box.

Third, aluminum boxes can be divided into large bags and small bags according to their volume and use.

Large bags refer to the various air boxes and trolley cases that people carry when they go out to study, travel, and go on business trips. Small bags are usually used to walk around the street and often see people carrying various briefcases, fashion bags, and leisure. Package, etc.

Fourth, the luggage is mainly divided into 18 inches, 20 inches, 21 inches, 23 inches, 26 inches, 27 inches, 29 inches, 30 inches, etc. according to the size.

The most commonly used 23-inch boxes have a length, width, and height of 610 x 420 x 200 mm, 26 inches of 660 x 490 x 230 mm, and 27 inches of 735 x 570 x 250 mm.