Pallet is made up of steel pallet, plastic pallet and wooden pallet. The surface of steel pallet is electrostatic sprayed, it has good ability of corrosion protection, at and low cost large carriage, long-lived and other advantages. Meanwhile, the cost price of steel is lower than the price of plastic pallet whereas the quality is the best among the three kinds of pallets. The raw material of plastic pallet is PP/ PE, to be pressed entirely It has property of cold resistance, high elastic strength etc. However the load capacity is lower than 2000kg. Wooden pallet is divided into suffocating resistance and turnover Pallet. It is the oldest pallet. The cost price is not very high as usual, and the specification could be adjusted. Wooden pallets are widely used in disposable operation, such as domestic sale and export, but the useful time is short and is not suitable for transfer shed.