This production line is specially connected with the bag feeding packaging machine to meet the needs of the fully automated production of packaging in the later stage. Expand the output, reduce the production cost, improve the product quality, reduce the flow of personnel. Production line capacity: 60-200 bags per minute (can be customized according to the actual needs of customers). Equipment composition of the production line: feeding elevator, bag feeding packaging machine, metal inspection machine, weighing and sorting machine, unpacking machine, drop packing machine, weighing and removing machine, sealing machine, packing machine, stacker, palletizing machine, pallet conveyor. Applicable products of the production line: equipped with multi head combined scales: biscuits, candy, potato chips, puffed food, peanuts, melon seeds, orchid beans, nuts, dates, raisins, beef granules, rice dumplings, rice dumpling, dumplings, cereals, tea, dry goods, seeds and other granular materials with screw filling head: milk powder, soy milk powder, sesame paste Coffee powder, cereal, flour, seasonings, food additives, laundry detergent, chemical raw materials and other powder materials are mixed into measuring cups. The feeding head includes small particles such as white sugar, salt, monosodium glutamate, seasonings, etc. The filling head includes liquid materials such as hand sanitizer, laundry detergent, and dishwashing detergent