Module power shell for electronic components 1.material:copper,iron,aluminium,copper alloy 2.High shielding effectiveness Module power shell for electronic components1.material:copper,iron,aluminium,copper alloy2.High shielding effectiveness, high heat dissipation,3.completed kind4.high cost5.Metal Aluminium surface : no scratch, without finger mark6.surface treatment:Copper plating,nickel ( ...