1,aluminium outermost shell 2,aluminium body 3,aluminum enclosure. 4,ISO9001 certified factory. ... extruded aluminium enclosure,aluminium outermost shell,aluminium enclosure,aluminium body,alum housing case,hardware. Process flow;1, extrusion ... Opening mould - Die trial3, first article assurance4. extrudrd aluminium mass production5, cutting6, deep processing7, surface treatment8, packing. Production ...