1.Adopt haier tri-proof motor.

2.Inter national standard energy saving technique ,and thermal protection system.

3.Pass the haier lab 360 hours destructive test.

4.Aluminum punching fan blade, big wind capacity and low noise.

5.The shell adopt the whole current collector design.

6.The shell can be selected by stainless steel and plastic steel.

7.Working time about 10 years.