... -tilt, tilt-sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different demands for it; Special shaped ... -tilt, tilt-sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different demands for it; Special shaped ... also can be usedMosquito meshesMetal and nylon material aluminium windows in china