Aluminium shutter 1.High quality,best price; 2.Good ventilation,high rate lighting; 3.Fashion design,Strict QC; 4.OEM,ODM Aluminium shutters/Aluminum louvers/Aluminium blinds1.Profile:Aluminum alloy,6063-T5;AlloySiMgFeCuMuZnCrTiImpurityAlunittotal60630.20-0.600.45-0.9≤0.35≤0.10≤0.10≤0.10≤0.10≤0.10≤0.05≤0.15SurplusSurface Treatment: Anodizing, Electrophoretic, Powder Coated, PVDF, any colorWall ...