... Die Cast Speaker Parts 1) Material: aluminium 2) Process: die casting 3) OEM drawings and samples are welcome Detailed Product Description ITEM Aluminum Die Cast Speaker Parts Die ... High precision, Qualified materials, Long lifetime, Short delivery time.Die casting productMaterialAluminum alloy,A360, A380, A383, AlSi10Mg, AlSi9Cu3, ... ! Welcome to visit our company! Aluminum Die Cast Speaker Parts