China Custom Color Anodized Aluminum Mobile Phone Case Factory Factories For Iphone4/4S 1. aluminum alloy 6061 T-6; 2. OEM; China Custom Color Anodized Aluminum Mobile Phone Case Factory Factories For Iphone4/4S Materialaluminum alloy 6061 T-6;Surface Treatmentcustom shiny silver color anodized;Working Process Appliedcut, CNC machined;Working Tolerance +/- 0.10 mm;Key Featuresunique and elegant ...