is one of the key equipment of compound fertilizer industry, and this is suitable for cold and hot granulation and high and low concentration of compound fertilizer production on a large scale. This machine cylinder, with a special jointing sheet lined with or acid stainless steel lining board, has realized automatic scar removal to take off the tumor, and canceled the traditional scraper. The granulator machine has the fearures of high strength into the ball, good appearance and quality, corrosion resistance, resistance to wear, low-energy consumption, long service life, convenient operation and maintenance, etc.