Aluminum FrameThermal break Aluminum alloy ,1.6 mm thickness .Wood frameImported finger joint laminated wood . white oak, red pine ,larch ,walnut ,Okoume wood .Glass5G+12A+5G tempered double glass,  Argon filled, Safety glass.HardwareImported German Roto Hardware ,G-U Hardware , Hoppe hardware ,Siegenia hardware.Sealing stripimported from Germany , durable ,high temperature ,wind load and rain resistance .FinishingImported Akzo Nobel Powder coated(Aluminum), Imported Sickens water lacquer and Ray Mashi oil painting (wood) .Packingplastic film, corrugated box, wooden case .