Aluminium Louver Frame Good quality with reasonable price Aluminium Louver Frame1)Material : 6063 6061 6060 and different aluminium alloy2)Status:T4 T5 T6 or other special status3)Surface treatment: mill finish, anodized sliver ,anodized bronze, anodized champagne, anodized black pearl, various power coating color, electrostatic sliver, electrostatic champagne, electrostatic golden, electrostatic ...