- After the raw materials are crushed, they are mixed with other auxiliary materials and then granulated. Vibrating Screening Machine, Rotary Drum Fertilizer Granulator, Compost Crusher, Roll Extrusion Granulator,China Energy Fertilizer Granulator. Before purchasing organic fertilizer equipment, we need to understand the production process of organic fertilizer. The general production process is: The product will supply to all over the world, such as Europe, America, Australia,Portland, United Arab emirates,Canada, Spain.Drum granulators are used to manufacture fertilizer granules of controlled size and shape. The drum granulator achieves high-quality and uniform granulation through the continuous process of stirring, collision, spheroidization, granulation, and compaction.