Zinc die casting notebook shaft 1.Professional process 2.ISO9001,ROHS,SGS 3.Dimension ... , Germay,Canada and America, etc.Product details:Zinc die casting notebook shaft Materialaluminum alloy A380,A360.ADC12,Zinc alloy 3#zinc ... .black oxidation.SoftwarePro/E, Auto CAD, Solidwork, CAXA UG, CAD/CAM/CAE CertificateISO9001:2008, ROHS,SGSServiceOEM service availableProductsAll kinds of aluminum ...