... prices 4.OEM and CUSTOMIZED Aluminum frame 1.Material: AL alloy 6000 series, 3000series, 5000series .2.Temper: 6000series:T0-T6; 3A21 ... customers’ requirements. Features: 1. Alloy: 6060, 6061, 6063, 6463 2. Mill finished 3. Anodize: Silver, champagne, light bronze, dark bronze ... controlling strictly in quality.Welcome to contact us! Aluminium frame for solar holder/industrial/agriculture/construction