... .Factory direct price, 3.L1200*W400*H2000*4layers Adjustale Light Duty Bolted shelving Upright: Upright(angle iron),wholely riveted,height is adjustable by ... structure7,Structure: Include upright, beam , connecting rod, laminate etc. TypeLight duty rackingMerterial Column is C-steel;Beam is P-beam;Laminate ...