1.environmental protection 2.heat resistance,noise insulation 3.ISO9001-2008 FrameSolid woodwood materialsolid pine, white oak,fir .larch Teak and as your requestColorCustomizedGlass Type:Float glass,Tempered glass,LOW-E glass,Laminated glass, and so onGlazing:Single glazing,Double glazing, Triple glass.Thickness:5mm,6mm,5+6A+5,5+12A+5,5+9A+5,and so on Specification Different countries have ...