... 3.Impact resistance 4.Insulation and so on top hung glass sliding door1)Durability. Aluminum corner fastening connection, never loose, ... appearance.Optional flat frame aureate and argent lines, lines with 45 degree connection.3)Functional, line, three-dimensional level ... effect.5)You can choose and flexible with a glass ,the optional double-layer hollow glass steel6)Noise and moisture-proof, explosion ...