It is the feeding unit which carries multiple pallets put one above the other, and feeds the palletizing machines one at a time. It operates on the basis of the principle of leaving one pallet at the bottom among the pallets arranged one above other and transfers the bottom pallet using the conveyor. The total weight of the pallet stack put one on the other on the unit can be up to 450 kg. It is convenient for pallets with standard sizes. Customized production is performed for the pallets with types and sizes other than the above.