First the good parts design drawings, materials and sheet profiles, profile cutting machine can be used, there can be used small shears, if the product comes to mesh it also uses touch welder. Some interfaces with the punch to complete. With this combination of materials, then the touch welding or welding and screw combination, made one piece easy to transport and can be processed in the next process state, then finally it relates to surface treatment, let plating or paint to complete. Major equipment: cutting machine, shears, punch, butt welding machine, folding machine, turn the main bed still seen as a product to be.