Winnowing machine Wind separation, also called air classifiers based on air separation medium, under the effect of air flow, is a solid waste particles size sorting according to the density of goods a method. Air separation equipment according to the direction of the air blown into the sorting equipment, air separation equipment can be divided into horizontal wind separator, updraft winnowing machine line and s negative pressure air separator. Company commitment: the company has sales of winnowing machine has a perfect after-sales service, one year warranty, life-long maintenance, thoroughly solve your trouble back at home, please rest assured purchase! Winnowing machine