... in Mainland IntroductionAluminum roller windowFunctionAnti-theft,Saving energy ,water proofing,ranti-rust ,anti-iacerated ,noiseproofing,warm kepping ,anti-sunlightStyleEuropean styleFigureGoog appearance , DecorationMaterialAluminum ... pattern.Surface treating is powder coating,could waterproofing,anti-sunlight,anti-rust,anti-lacerated.With rigid structure,theftproofing,noiseproofing,warm kepping. ...