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1) The fan blade is stainless steel, big air volume, without distortion, no broken, attractive and durable. ( adopting aluminum fan blade in the past, which had some problems caused by long time working of metal in the factory cooling, for example broken and air volume decreasing);
2)Adopts automatic belt tensioner which can adjust up and tight so that the belt can't loose and drop
3)The belt wheel is made of high strength aluminum-magnesium alloy by die-casting which reduce the weight of blade impeller and processed by sandblasting, become attractive, eliminate the internal stress and increase own emphasis efficiently; Flange and imported axletree(bearings), high intensity, low noise, long service life.
4）Belt are Japanese Mitsubishi brand, ensure the long service life, maintenance free. We can and satisfy different needs of customers.

5）As to motor, China made and Siemens motors are available, their voltage and frequency can be customized. And we are the first company which put in the lack phase protection device in the motor. This device can power off when shortage of electricity. Motor protection grade is IP55, insulation grade is class F
6）SANHE fans were adjusted by advanced computer balancing tester, to smooth operating, reduce noise, enhance stability, prolong service life.

7) Variety sizes of shape are available and installing is very convenient.