Air bubble film + wooden strip; Only air bubble film package for the same size with big quantity to reduce the cost.
Certificate
ISO,SGS
Applicable place
Schools, Restaurants, Commercial Buildings and Government Buildings etc.
1.Multi-chambered frame extrusions create superior strength and great insulation 2.Frames and sashes are reinforced with aluminum stiffeners for added rigidity, hardware attachment and installation 3.Fusion welded frame and sash corners for strength and weather-ability 4.Installation hardware included 5.Complete with screens