- The granulation process is the core part of the organic fertilizer production line. The granulator achieves high-quality and uniform granulation through the continuous process of stirring, collision, inlay, spheroidization, granulation, and densification. Compost Turner Design, Fertilizer Dryer & Cooler, Homemade Compost Turner, Fertilizer Crusher Machine,Disc Granulator. Compost screening machine The product will supply to all over the world, such as Europe, America, Australia,Chile, Frankfurt,Lithuania, Cambodia.The vertical mixer is a large open vertical mixing equipment, which is a popular mechanical equipment for mixing pellet feed, agricultural seed dressing, and organic fertilizer mixing.