Hollow plate, the butterfly cage, storage cage and warehouse cage artful solid cage, turnover of cage, etc., is a kind of standard logistics container, it is mainly used for heavy or large goods storage and mechanized revolving handle, especially suitable for the use of industries such as cars, household appliances, machinery, hardware, in Europe and the United States and Japan, Taiwan and other regions has been widely used. The main material of hollow plate storage cage for low carbon wire, channel steel, hot rolled steel plates, etc. Hollow plate storage cage shape feel lighter, cage body except the bottom frame is a touch of welded wire mesh, mesh and mesh, mesh and bottom frame by small fittings connection, movable. Storage cage empty cage foldable storage, make full use of space. After stacking warehouse in front of the cage can be opened, can take things, when stacking load bearing on the side of the net. Elements are interchangeable stacking storage cage has been completely, foldable and portable, circulation of logistics has increasingly become an important standard of container logistics