... 4. ISO9001 Aluminium die casting Material Aluminum alloyStandardGB, CNS,KS,DIN,ASTM,EN,BS,NF,JIS,ISO etc.Casting Processsand casting, Gravity casting, Die castingSurface treatmentpainting, polishing ... 's drawings and requirementsPackingWooden cases,steel cases,cartonsCertificate ISO9001 Aluminium die casting