bended aluminum flat bar 1,aluminum product 2,aluminum tube rack 3,aluminum frame 4,bended aluminum extrusion bended aluminum bar ... ,1070,2011,2017,2021,2024,3003,5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight ... national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM.