Suitable for artificial access goods, usually bearing for < 300 kg/layer, can satisfy most use requirement. Main component layer plate for cold plate coin folding and into, can according to 50 mm pitch free fluctuation adjustment, for ease of operation personnel access goods, shelf total height is usually not more than 2 meters, if use uphill equipment, most shelf height can reach 3 meters. Can be used alone, also can free splicing into various arrangement. Shelves by post, beams, narrow hang, wide hang, layer plate, safety pin and plastic foot composition.