There are four common styles of swing space that we often use today. Of these four styles, two are more species and the other two are fewer species.
The first is that the box body and the bottom of the box are all closed, and the type of plastic swing box is the most diversified;
The second is that the box body and the bottom of the box are hollowed out. This kind of swing box is also called a swing basket, and there are many types.
The third kind is that the box body has eyes, and the bottom of the box is closed。 This kind of box is relatively rare, and there are not many types。 The general food factory uses more;
The fourth is that the box body is closed, but the bottom of the box has eyes. This box is also a rare type, mainly used for leaking food and articles.