HKJ-250 feed machine considered different varies using objects’ requirements to the particle feeder, especially for the request of High hardness, density, big capacity, high efficiency. The machine has the advantage of simple structure, beautiful appearance, excellent performance, reliable operation, simple operation, easy maintenance, low use cost. So It is used widely in various middle or small Aquaculture farms, Feed plants, animal husbandry, and poultry farms and family farming farmer. Meanwhile, It is also the ideal machine for the Granular organic fertilizer production and biomass pellet fuel.