Generally speaking the process flow sheet of compound fertilizer production line is divided into: Raw material proportioning, raw material mixing, raw material granulating, pellet drying, pellet cooling, pellet classifying, finished product complete capsule, and at last the finished product packing. 

 The production flow is as the following: 1. Raw material proportioning: Urea, amatol,  ammonia chloride,  ammonium sulfate,  Ammonium phosphate, and other raw materials to be proportioning according to certain rate.