... rack, low cost2.Easy assmbling & knock-down 3.Layer height adjustable, loading:100kg/layer4.Color: blue, orange, light grey or others5 ... and supermarke,etcAdvantages of pallet Racking system : Upright frame90*70mm,100*90mm,120*95mmBox beamB80*50mm,B100*50mm ,B100*50mm,B120*50mm,B140*50mm,B160*50mmOur factory ...