... 2)cold rolled 3)Material Steel Q235 4)Three or more layer Warehouse pallet racking is also called beam ... protector, guide rail, frame barrier, row spacer, wire decks, steel shelf, etc.;6), Stable structure, large loading capacity, convenient ... The British Storage Equipments Manufacturers Association (SEMA). The American Rack Manufacturers Institute Specification (RMI) and the Australian Standards -- ...