◆ Natural wind drives, operating in
*4 hours of whole day. ◆ High sensitivity, slight wind or
the range of temperature can drive the tubine blader to turn around
. ◆ Rotary stablely, quietly to improve
the inner environment of room. ◆ Using complete senior axis bearing,
no lubrication, solid , low fault rocte. ◆ Corrosion resistance, acid and
alkali proof, long service life.
