1.metal case: 2.made of steel sheet or AL sheet 2.competitive price, 3.high quality and best service 4. OEM service metal case : Product Type metal case Materialsteel sheet, Al sheetMachining typestamping, punching, bending, welding, powder coating etc..Surface finishPolishing, and Chrome plating, zinc plating, Nickel plating, Anodization,powder coating .etcOEM & ODMAvailableFOB PortShanghai or ...