aluminium shell and aluminium box 1,aluminium housing and aluminium enclosure 2,machined aluminium profile 3,aluminium cover aluminium shell and aluminium box for electronics machined aluminium ... 6463,6082…2,The processing methods including: Aluminium profile extruding,Precise cutting,Straight rectification,Bending, ... GB/T6892-2006 and Erope standard EN12020-1,2(2001) and american standard AAMA611-98. ...