Rotary vane vacuum pumps are the initial option for vacuum packaging. Dry screw vacuum pumps, vacuum boosters, liquid ring vacuum pumps, claw vacuum pumps and rotary lobe blowers also have specific roles in packaging. Each individual of these presents its own unique advantage with regards to the specific application. https://www.linpack.com/news/why-food-packaging-machine-manufacturers-are-vital-to-the-global-supply-chain