The double roll granulator is a kind of molding machine which can make the material into a specific shape. Also known as the roller granulator, dry powder granulator and double roller granulator, widely used in chemical, petrochemical, pharmaceutical, food, building materials, mining and metallurgy, environmental protection, printing and dyeing, ceramics, rubber, plastic and other fields.

To roll extrusion pelleting machine can directly under the normal temperature often wet powder material extrusion into particles, often used to producyion, urea, ammonium chloride, ammonium phosphate, potassium chloride and other materials for the single element fertilizer and the multielement compound fertilizer, particle high intensity, without drying equipment, such as comparative advantage can maximize the production cost to a minimum.