large diameter aluminum pipe manufacturers

large diameter aluminum pipe manufacturers, classification,Aluminum tubeAccording to the shape: square tube, round tube, pattern tube, special-shaped tube.
According to the extrusion method: seamless aluminum tube, and ordinary extruded tube
According to the precision: ordinary aluminum tubes and precision aluminum tubes, of which precision aluminum tubes generally need to be reprocessed after extrusion, such as cold drawing, fine drawing, and rolling.
According to thickness: ordinary aluminum tube and thin-walled aluminum tube

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