Aluminium shutters 1.healthy materials 2.fashional and personalized design 3.high quality and safety 4.high reputation Aluminium shutters Product Description1, alloy6061/6063 2, Surface finish: Anodizing, electrophoresis, PVDF, powder coating, with any colors 3, Opening ways: Electric, remote-controlled and manual 4, Size: As per customers request 5, Various shapes, parameters and colors ...