Using high-quality cold-rolled steel plate by roll forming, the column can be up to 6 metres high and intermediate joints, selection of quality steel beams, large bearing capacity, not easy to deformation, beam and column is a cylindrical bulge is inserted between the pendant, reliable connection, easy assembly and disassembly, and use the lock pin, to prevent the forklift when the beam provokes; all the surface of the shelf by pickling, phosphating electrostatic spraying process, anti-corrosion rust-proof, beautiful appearance. Applicable to large-scale warehouse.