aluminium profile for window and door aluminium profile1)Material : 6063 6061 6060 and different aluminium alloy2)Status:T4 T5 ... polish sliver, machine polish bronze, wooden grain color, and Fluorocarbon spraying.4)Annual capacity : 120000TON5)Quality : China ... be widely using aluminium window, door, curtain wall, hand railing , normal aluminium profile, decorative and industrial aluminium profile7) ...