... service 2,Good workmanship aluminium double glazing casement window Materialaluminium profile,.thermal break profilesStyleAs order(casement,sliding,tilt&turn,single hung,etc).SizeCustomized ... glass, LOW-E glass, Patterned glass, laminated glass,etc.Thickness of glass5mm,6mm,5+9A+5mm,5+6A+5mm,etcsurface treatmentoxidation ...