... finished aluminum products, from a circular micro-tube with a diameter of 3mm to a 500mm great tube, from an outer ... turning, milling, stamping, stretching, welding, forging, cutting, riveting, grinding, tapping, extrusion, mould design and processing, die casting, sheet metal working etcYou ... customers will always be our number one priority. Foshan 2012 large diameter aluminum pipe with good quality