There are two types of packaging for seafood on the market, one is vacuum packaging, and the other is bulk packaging. Why is the seafood vacuum skin packaging machine a sharp weapon for improving the packaging effect of seafood? When we go to the market, we can find that a new form of packaging has appeared in the packaging of seafood, that is, the seafood is placed on the tray and covered with a layer of film. This packaging form is called vacuum skin packaging.