38series

cheap casement windows 1,material : aluminum alloy 2,waterproof ,sound and heat insulation 3,1.7mm thickness profile MaterialAluminum alloyProfile thickness1.7mmGlassSingle/Double tempered glass,low-e glass,float glass ect.Thickness:5/6/8/10/12mm single tempered glass ect 5+6/8/9/12+5mm,6+6/8/9/12+6mm double tempered glass ectHardwareChina brand Liphing hardware Color As the color option ...