... tube and pipe aluminum tube aluminium pipe 1,Good quality in matreial 2,High precision in machining anodized aluminum pipe aluminum tube ... ,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling,Tapping,Stamping ... China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM ...