... may be taken four4 can be stacked when not, foldable, space-saving5 for a wide range, with mechanized handling equipment, can ... other storage areas;6 can be piled high use, improve space utilization7. Baosteel SPHC using steel, surface treatment: spray. Color can ... material handling carts. Why stacking racks?More storages in less space.No need to leave aislesNo empty shelves, just collapse racks ...