... in 2011,have spectrometer,can guarante quality Type3003 Aluminium alloy pipeMaterial1000 series : 1010,1050,1060,1070,1100,1200, ... EN ,BS, GB, DIN, JIS,etc.coloursGolden, rose gold, titanium golden coating, champagne gold, Brown,Bronze,Black,sapphire blue, Purple ... , silver,Coffe, Champagne etc.surfaceEmbossed,colour coated,HR,CR,etc.thickness 0.1-6mmdiameter10mm-300mmLengthNormally between 2m to 6m ...