NPK compound fertilizer can supply nutrients for crops in an all-round way. The production process of NPK compound fertilizer is to make the main nutrient elements (such as N, P, K and other trace elements) needed by crops through chemical methods.

The principle of the drum granulator is that the material relies on the surface tension, the right amount of liquid phase,

The disc granulator (also known as the ball plate) is a volumetric metering feeding equipment, which can feed the material to the next process uniformly and continuously, and can withstand a large bin pressure.