Pallet circulating system for wall elements made of pumice concrete, suitable for normal and lightweight concrete, formable surface: 1875x12,000mm, pallets dimensions: 2000x12,250mm, including wall elements, 3x cement silos, 1x dry mortar silo, 1x feeding station with bucket elevator, 5x surcharge silos, mixer for lightweight and normal concrete with lift, mixer for finish/ plaster from silo, concrete spreader, 2x parallel work stations in the pallet circulating system, separate plaster/ finish conrete spreader, 2x vibrating rollers for compacting, heat insulated hardening chamber with shelf control unit and pallet circulation system, tilting table, lifting crane 10t, outside crane 10t, mortar silos, concrete buckets, pallet cleaning unit, concrete reinforcement bending equipment and metalworking tools.