1.Octagon Tipping Counterflow Cooler. 2.ISO9001:2008. 3.High efficient. 4.Low noise. Octagon Tipping Counterflow CoolerModelSLNF14×14A19×19A19× ... , pressure-chip material, powder, etc, especially extruded materials, expansion materials. High Efficent Counterflow Cooler Machine for Pellet Mill ...