aluminium profile aluminium tube aluminum pipe standard aluminium profile aluminium round tube aluminum round pipe aluminium square tubealuminium rectangle tube1,Material:mainly in 6000 ... 5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping ... 1,2(2001) and American standard AAMA611-98.5,OEM offered.