... 1000ton in 2011,have spectrometer,can guarante quality Type3003 Aluminium alloy pipeMaterial1000 series : 1010,1050,1060,1070,1100,1200,etc2000 series ... , ASTM, EN ,BS, GB, DIN, JIS,etc.coloursGolden, rose gold, titanium golden coating, champagne gold, Brown,Bronze,Black,sapphire blue, Purple ... me as soon as you have any instructions. 3003 aluminium alloy pipe