... roll steel, 2.Factory direct price, 3.L1200*W400*H2000*4layers Adjustale Light Duty Bolted shelving Upright: Upright(angle iron),wholely ... layers ( The layer number can be customized too )2,optional Max.load capacity: ≤ 350kg / tier.3,Material: reinforced steel structure. 4 ... access, can be installed freely and have good load capacity, competitive price.2.Cut-in composite beam structure, the height of ...