Compared with the rotary drum granulator or pan pelleting machine, the double roller granulator adopts the advanced dry granulation technology for making powder into granules. That is to say, this machine can accept the raw materials contained the 5-10% moisture content. The double roller pelleting machine is usually used for making compound granular fertilizer production. Using this machine can produce fertilizer granules with different sizes and shapes by extruding the powder raw materials. This extrusion granulation method can allow the granules to maintain pure nutrients. In addition, under the action of double making granules machine, the finished granules is no need the fertilizer drying machine to reduce the moisture of surface granules. This means, using this machine can help you to save the investment of purchasing drying machine. If you have any interest of drying granulating machine, our factory has designed another one. Please contact us as soon as possible.