... ,2021,2024,3003,5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending,Drilling ... machining…3,Surface treatments: mill finished,anodizing,electroplating,powder coating,electrophoresis.4,Meet the China national standard GB/T6892-2006 and ...