... tilt, tilt-sliding, single-hung, double-hung, etc.Specification(size, color,etc.)Different countries have different demands for it; Special ... . You can design the windows by yourself.Aluminum profile1.2-2.2mm, thermal break aluminum profileGlassSingle, double, tripled glass; ... 6mm,9mm,12mm,16mm, etc.Reinforcement steelU form galvanized steel; 1.2mm, 1.5mm, 2.0mm, 2.5mmSealRubber sealing strip, black or ...