| Special design | Super narrow vertical frame that is only 25mm width gives persons more open visual effect |
| Big Glass panel size | Max size for one glass panel up to 4*6 meters |
| Stronger profiles | The max thickness of aluminum is up to 8.0mm |
| Steel Rollers | There are 8 steel bearing wheels in a bottom roller |
| Glass | 5+27A+5 tempered glass with Argon |
