Drum air designed by Lantian mechanical plant combined sawdust dryer for drying wood production products, combines the advantages of the two kinds of drying equipment and drying in secret, cooling and drying as a whole, more energy-saving than ordinary drying machine up to 30-50%, can save energy and maximize the drying cost. Wood drying machine produced by our company has formed a series, with series of drying machine: sawdust drying machine, straw drying machine, drying machine, wood sawdust dryer.