... cooler, screening machine, vertical mixer, belt conveyor, fertilizer coating equipment and packaging machine.2.Material :Compound fertilizer machinery use urea ... KCL,etc. as its raw materials. 3 . NPK Compound Fertilizer production line Service range : from design, equipments, technical support, process ... of the whole line. We can supply the whole production line from 5000 tons/year to 200,000 tons/ ...