For quality organic & compound fertilizer making(including Npk), besides compost machine and granulators, there are also many other fertilizer making auxiliary equipment you need. Такой как обезвоживающая машина for remove excessive water from manure, пакетное оборудование for feeding materials in required proportions, дробилка for fertilizer powder making, микшер for ensure uniform nutrient of final fertilizer, sceener for fertilizer purity inprovement, drying and cooling machines for further reducing the fertilizer moisture content, оборудование для покрытия for slow release fertilizer production, упаковочная машина for fertilizer bagging, и т. д.. There are some videos of the fertilizer making auxiliary equipment to show you how does it work to processing fertilizer.