Light weight type shelving This type of rack has nice looking,flexible composition and wide usage.The lightweight steel rack,used niversal angle iron as the upright,is assembled by connective or in adjustment distance of steel shelf panel is 50mm for multiple usage. Medium weight type rack The structure is inserting connected by frame and beam.The beam can be adjusted by 50mm distance for heavy loading and long unit rack,commonly with 300~800kg per layer.The layer can be used bu steel,paring,fiber,or wood. Heavy weight pallet rack When choose heavy weight pallet rack,the size of material box,the weight of goods position and levels shall be considered to detemine proper column,beam,forklift or storage truck.whick will affect the storage density.