For quality organic & compound fertilizer making(including NPK), besides compost machine and granulators, there are also many other fertilizer making auxiliary equipment you need. Such as dewatering machine for remove excessive water from manure, batching equipment for feeding materials in required proportions, crusher for fertilizer powder making, mixer for ensure uniform nutrient of final fertilizer, sceener for fertilizer purity inprovement, drying and cooling machines for further reducing the fertilizer moisture content, coating equipment for slow release fertilizer production, packaging machine for fertilizer bagging, etc. There are some videos of the fertilizer making auxiliary equipment to show you how does it work to processing fertilizer.
