Seamless square tube Side length 40 m'm * 60 m' m * 5 m'm in stockShandong fullites Group is one of the large enterprises specializing in the production of imported and exported certified steel pipes. Therefore, we can supply various steel pipes, such as spiral steel pipe, galvanized steel pipe, square steel pipe and high frequency longitudinal welded steel pipe, which can be applied in several fields of carbon steel material and other related steel products. Such as steel plate, steel coil, steel passage, beam, corner Rod, flat Rod, rebar, nut, bolt, etc.