Large load bearing capacity reaches 300kg/layer, simple structure, easy assembly and disassembly, and limitless connection. Steel layer plates can be arbitrarily adjusted up and down at 50mm steps. Rack consists of vertical columns, crossbeams, narrow hanging, wide handing, layer plates, safety pins, limiting nails and plastic footing. producing area:China payment:T/T, L/C supplying capacity:100,000pcs/month