Here are galleries of Guoxin aluminum alloy pipes and tubing, there are 1000 series aluminum alloy tubing, as well as 2000 series, 3000 series, 5000 series, 6000 series and 7000 series aluminum alloy pipes for customers. Guoxin is a stock company manufacturing high strength aluminum alloy products, including pipes, bars and rods, plates and profiles for special application using in aircraft, train, pressure vessels, etc.