Automatic packaging production line machine type: eight 420A vertical machines are used to assemble the packaging line. Packaging scope: puffed food, granules, snacks, nuts, popcorn, candy, dried fruit, quick-frozen food, fruits and vegetables, and medicinal decoction pieces. Width of film: 420mm Bag length: 80-300mm Bag width: 60-200mm Packing speed: 350-450 packs/minute Measuring range: 50-1500ml Thickness of film: 0.04-0.12mm