Window mounting cooling exhaust fan details :

1. Galvanized zinc plate frame, national level one environment friendly galvanized zinc plate, thicker zinc coat

 

2. Aluminum magnesium alloy hub, light weight, high strength and good tensile

 

3. Stainless steel blade, bearing imported from France, Europe industry motor standard

 

4. Imported bearing, high-strength, low noise, durable;

 

5. Special push-pull device, make sure the shutter open and close completely.

 

6. Six strict inspection process: noise inspection, vibration test, concentric performance test, fan blade rotation test, wind capacity test and the efficiency test

 

7. with CE, CCC, ISO certificate