... . Tablet PC Metal Frame Casting (Magnesium Parts) 1,The lightest of the useful metals2,Superior strength3,High heat dissipation4,Good electromagnetic shielding5,Recyclable ... : Magnesium alloy4)Surface: polishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating, mirror polishing5) 3D drawings or samples are welcome6) Quality ...