... committed to researching, design, produce & export.high-end mobile phone case made of aerospace aluminum protection box and computer chassis ... with :iphone4/iphone4sSurface treatment : Sandblasting & Anode Production process :CNCMaterial :AL6063Color: black, silver, gray, dark blue, red, champagne gold , light blue, ... of EVA 4PCS Hot models in Japan , aviation aluminum cell phone case for iPhone 4/4S