Aluminum Die Casting-Speaker 1) Material: aluminium 2) Process: die casting 3) ... samples are welcome Detailed Description ITEM Aluminum Die Casting-Speaker/Loudspeaker Die casting mouldCavitySingle or multiple MaterialH13,DIEVAR,QDN ... structure, High precision, Qualified materials, Long lifetime, Short delivery time.Die casting productMaterialAluminum alloy,A360, A380, A383, AlSi10Mg, AlSi9Cu3, ...