racking system: Frame:75*63,90*67,100*90,120*90 ... ,B90*50,B100*50,B120*50,B140*50,B160*50 storage pallet racking details as below:1 Frame depth normally from 800-1000mm ... 2200-3800mm depends on operating truck2 Selective Pallet Rack is the most common of all storage system for palletize goods. It is ... application.3. Its disadvantage is low utilization of floor space Pallet racking