Also called metal tray or shell feed plate, is a traditional wooden pallet, plastic tray ideal generation product, suitable for forklift truck operation, convenient access goods. Mainly used for multipurpose ground storage shelves, storage and cargo transport, the turnover and ultra light metal tray series. Containerized, piled up, handling and transportation placement as a unit load level platform device, is now an important industrial warehousing and transportation is one of the auxiliary equipment. Main material for steel or galvanized steel plate, the special equipment shaping, all kinds of profiles to support each other, rivet connection was strengthened, then through co2 gas shielded welding welding and become.