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 profile1,Material:mainly in 6000 grade ... ,electroplating,powder coating,electrophoresis.4,Meet the China national standard GB/T6892-2006 and Erope standard EN12020-1,2(2001) and ...