Rotary drum granulator is a molding machine that can make material into a particular shape. It is one of the key equipment of the compound fertilizer industry, which suitable for cold or hot granulation and mass production for high and low concentration compound fertilizer. We adopts special rubber liner or acid-resistant stainless steel liner into the rotary drum, and achieve the functions of automatic scars and tumor removal, so that you can cancel the traditional scraper device. This equipment has so many characteristics such as high balling strength, good appearance, corrosion resistance, wear resistance, low energy consumption, long service life, convenient operation and maintenance and so on.