Container popularization and classification

The popularization and promotion of containers has revolutionized the transportation industry: container-specific ships, special trains; container-specific terminals, special venues; container-specific trucks, loading and unloading equipment; and container manufacturing, trading, leasing, maintenance, management Wait. These have formed separate industries and systems because of the widespread use of containers.

Modern containers are mainly divided into two categories:

1. Commonly used steel dry goods international standard containers:

20 foot box: 20’x8’x8’6”

40 foot box: 40’x8’x8’6”

40-foot ultra-high box: 40’x8’x9’6”

The above-mentioned standard boxes are calculated by TEU (Twenty-Foot Equivalent Units), that is, a 20-foot box is used as one unit (1 TEU), and a 40-foot box or 40-foot ultra-high box is calculated as two units (2 TEU)  .

2. Special box:

45-foot or 53-foot containers commonly used on the Americas line;

Open top box: no top plate, it should be covered with a tarpaulin for loading goods that are easy to load and unload from above;

Frame box, flat box: used for loading large, super wide, super high-sized machinery;

Refrigerator (generally 40 feet high): used to load refrigerated goods, the demand in Northeast China and Shandong is strong;

Boxes of different sizes and different opening directions;

According to the different goods loaded: car box, coal box, paint box, tank box, grain box, wood box and so on.