Bag sealer machine is the thrid step for the production line packing. Carton erector,bag inserter,bag sealer,carton sealerSo, what is the bag sealer machine function?Bag sealer machine play a role in the sealing the bag in case leak-proof with the products. according to your the packing method you want to choose the sealing ways. Method way including heat-sealing way, tying the bag and bag folder way (only to fold and flatten the bag into the container). Mittiway Packing Machine is the professio···