China Metal Cell Phone Membrane Manufacturers 1. aluminum alloy 6061 T-6; 2. OEM; 3. custom ... silver color/logo; China Metal Cell Phone Membrane Manufacturers Materialaluminum alloy 6061 T-6;Surface Treatmentcustom silver color anodized ... UsAutoCAD, SolidWorks, Pro/E, Mastercam; China Metal Cell Phone Membrane Manufacturers