... export 1000ton in 2011,have spectrometer,can guarante quality Type3003 Aluminium alloy pipeMaterial1000 series : 1010,1050,1060,1070,1100,1200, ... 0.1-6mmdiameter10mm-300mmLengthNormally between 2m to 6m.PackingCovered with PVC, and then wooden box/metal pallet,etc.Payment ... have our own spectrometer, which could test the aluminium material grade, so, for our quality, you can really feel free.Contact ...