Details: in the volume of storage rack having big bearing capacity, high lift freely, butterfly hole or tadpole hole of scientific design, reasonable and simple structure, composite structure, without any bolts, installation and disassembly are easy, each bearing up to 250kg-500kg, storage warehouse can be used, placed so the warehouse-style shopping malls. Surface using epoxy resin powder spray treatment, anti-corrosion rust-proof, beautiful appearance, firmness and durability. Widely used in warehousing type supermarket, enterprises and institutions and exhibitions, display of goods warehouse, inventory