1.used to computer 2.professional process 3.strictly quality testing system 4.get ... export to Korea, Japan, Europe and America, etc.Production details:Computer heat sink magnesium die casting part Materialaluminum alloy A380,A360 ... oxidation.SoftwarePro/E, Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE CertificateISO9001:2008, ROHS,SGSServiceOEM service availableProductsAll kinds of aluminum &zinc ...