| Because of specialization, we are the first. |
| Performance |
Traditional pushing and pulling windows |
Tri-track gates and windows that could cut off noise |
| Safety |
Easy to come off from outside |
Not to easy to come off and can’t be taken off from outside |
| Wind compressive
strength |
1000Pa |
3000Pa |
| Index of cutting of
noise |
10--20 dB |
25--50 dB |
| Dust against |
After shutting the windows for a whole day, there was a layer of dust on the windowsill |
After shutting the windows for a whole year, there was little dust on the windowsill |
| Mosquitoes and flies against |
Mosquitoes or flies can come in from the side of the screen |
Mosquitoes or flies can't come in |
| Protect against leaking water |
Water can come in from sliding place or beside of the windows |
No leaking |
| Ventilation volume |
The Max. is 1/2 |
The Max. is 2/3 |
| Function of convenience |
Not convenient to wash |
Can be taken down in room and convenient to wash |
| Life of sliding |
From one month to three years |
From fifty years to seventy years |
