SU-50 series manual grommet machine, for ham sausage plastic casing, meat casing, Mushroom mushroom cultivation bag, Fungus Mushroom-stick, grapefruit fruit mesh bag, seafood inflatable bag and other materials to buckle and seal. This product has the advantages of tight sealing, simple operation, not easy to damage, durable and so on. It is a good packaging helper for families, supermarkets, factories and farm orchards.