Cantilever racking is suitable for storing long or circular material, flat products, tubes and irregular goods. The cantilever can be single side or double side, the cantilever shelf has the structure stability, good load capacity, high space utilization, etc. Cantilever rack column using h-beam or cold rolled steel, cantilever with square tube, cold rolled steel or h-beam, cantilever and the pillar type, bolts or plug type connection between the base and the pillar, adopted bolt connection type between the pedestal cold rolling steel or H section steel. The goods access by forklift, driving, or artificial. Shelves within 2.5 meters in height often (such as by forklift access can be as high as 6 meters), the cantilever length is in 1.5 meters of less than, each arm load usually within 1000 kg. This kind of shelves used in machinery manufacturing industry and building materials supermarkets. After add the shelf, is especially