| Stronger profiles: | Thickness of aluminum profile is 1.4-2.0mm |
| Best Rollers: | Use bearing wheels and slide smoothly. |
| Best sealing: | There is ladder track profile to avoid water and dust. |
| Easy installing: | We will offer instructional manual to make installation easily. |
| Glass: | Single glass or double glass are available. |
| Hardware: | Many kinds of locks are available, German brand or Chinese brand. |
