At present, with the development of the Internet, some large enterprise warehouse, in order to improve the utilization rate of warehouse, more and more pay attention to the design of heavy shelves, production and construction.Heavy duty pallet racking is made of high quality cold-rolled steel plate after rolling forming, columns can be as high as 6 m and no juncture, the middle bar to choose high quality square steel, bearing strength, not changeful form, between beam and column is hanged for cylindrical projection inserted, reliable connection, easy tear open outfit, and use the locking, in case the work of the truck beam will start;All the surface of the shelf by pickling, phosphating treatment, electrostatic spraying process anticorrosion, beautiful appearance.Suitable for large warehouse.