... 2,machined aluminium profile 3,aluminium cover aluminium shell and aluminium box for electronics machined aluminium profile1,Material:mainly in ... ,2021,2024,3003,5052,6060,6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification ... the China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98.5,OEM. ...