In accordance with GB4004-83, JB／T7600.3-94 and DlN46395 standards, the product is formed by pressing and welding common carbon steel Q235 (A3) thin steel plate. The periphery of lateral plate adopts a hemming structure. The product has the characteristics of not only strengthening the strength of lateral plate, but also having higher rigidity and toughness, light weight and fastness, which can be used for drawing-wire machine, buncher, stranding machine, extruder, cabling machine and armouring machine.