The sealed container is what mean?
This letter, if not broken, the number did not change too. The box door unopened. The goods inside not fewer losses. Need to open, to cut the seal.
For one use, there is a unique number on it so that it will arrive at the destination,
Because of the characteristics of container transportation, when the goods are loaded into the container, the box door is closed and a container seal is placed on the handle and door button
