Production of high quality automatic film covering and shrink packaging machine, glass hydrothermal sealing machine, PE film heat shrinkable packaging machine. It is especially suitable for packaging pop can, beer, mineral water, oil, etc. Plastic bottles, glass bottles and other packaged goods. Teflon coating is used for the sealing cutter part, which is resistant to adhesion, high temperature, no cracking, no smoking and zero pollution. The sealing frame is made of high-quality alloy steel, which is not easy to deform.