... oxidation 3.High quality,certificate:ISO9001 Aluminum extrusion profiles for Door and Window our aim is to satisfy the customers.we are ... etc)Temper:T3,T4,T5,T6,T7,T8Application:suitable for window,door,industry,building,road fence,machineInstallation:configuration briefness and easy ... 6063AT5≤1020016056510T6>102301905 6061T4All18011016 T6All2652458 Buliding Aluminum profile for Door and Window