... :Size precision,smooth surface,high production efficiency,Very competitive price Product Name:Rocker box.Material: alloy steel(A380,ADC10,ADC12 etc ... .),zinc alloy,magnesium alloyProcess:Die castingsSurface Finish:sand blast,spray model,polishing,ElectroplatingTrade Term: FOB ... products, I will give you the early reply Asap. Aluminium Die Casting box