heavy duty warehouse pallet storage rack 1. Size: as customer's demand 2. Layers:4-7. 3. SGS/BV/ISO certificate Heavy duty warehouse pallet storage rack ... of vertical columns, crossbeams, narrow hanging, wide hanging, layer plates, safety pins, limiting nails and plastic footing. ... rail, frame barrier, row spacer, wire decks, steel shelf, etc.;6), Stable structure, large loading capacity, convenient ...