This model can be used for various preformed bags, such as three side seal bags, stand-up bags, ziplock bags, gusset bags, etc. to complete automatic bag pick-up, bag open, fill, seal and finished product output. It is suitable for all kinds of food packaging, such as coffee, frozen food, biscuits, Cereals, nuts, powdered materials, candy, etc. It can be used with screw scale, linear scale, combined scale and other filling equipment.