... , Japan, Europe and America, etc.Production details:Computer heat sink magnesium die casting part Materialaluminum alloy A380,A360.ADC12,Zinc alloy 3#zinc ... , Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE CertificateISO9001:2008, ROHS,SGSServiceOEM service availableProductsAll kinds of aluminum &zinc alloy casting: include automotive parts, railroad parts ...