... no-discoloration,no deterioration, and no oxidation, thorough drying, after drying and rehydration, less loss of nutrients, the long ... ,easily oxidized material etc;6.installation and operation easily,just need connecting with drying chamber by wind pipe; ... workshop & situation : 2012 tobacco drying machine Air to air,Air source heat pump dryer,drying machine heat pump dryer,Heat recovery dryer ...