... 1) Material: aluminium 2) Process: die casting 3) OEM drawings are welcome Detailed Product Description ITEMAluminium auto audio cover Die ... , sandblasting and ect.Leadtime7-30 daysAdvantageCompany establishedin 1989SoftwarePro/E, Auto CAD, solid work 2001,CAXA,UG,CAD,CAMMachinesHigh, refined, ... and skillful technique on die castingCertificationsISO9001:2008, TS16949 Aluminium auto audio cover