Aluminum windows and doors have at least 10 different openings: Casement, awning, sliding, folding, and double hung windows... Aluminum Windows & DoorsProfiles: Any color, wall thickness: 1.2mm, 1.5mm, 1.8mm,2.0mm.Glass: 5mm, 6mm, 5+9A+5, 5+9A+5, 5+12A+5.Hardware: Made in China/ Made in GermanyCharacter: European standard style, with thermal break-energy saving and no thermal breaks.Advantage: ...