NPK compound fertilizer production line 1.from 5000t/y to 300,000t/y 2.rotary drum granulator 3.drawing&technical support fertilizer machinery compound fertilizer production line/fertilizer machinery 1.Structure : the ... urea, MAP,DAP,KCL,etc. as its raw materials. 3 . NPK Compound Fertilizer production line Service range : from design, equipments, technical support, process solutions , commission ...