BB fertilizer production line. It is suitable for the production of BB fertilizers prepared by mixing elemental nitrogen, phosphorus, potassium granular fertilizers with other medium and trace elements, pesticides, etc. in a certain proportion. The equipment is flexible in design and can meet the needs of various large, medium and small fertilizer production enterprises. Fertilizer Pellets Granulator, Wet Granulation Process, Ring Die Granulator, Disc-Ball Granulator,Vibrating Screen. The working principle of the composting equipment is to mix and crush harmless organic sludge, kitchen waste, pig and cattle manure, chicken and duck manure, and agricultural and animal husbandry organic waste according to a certain proportion, and adjust the moisture content to reach the ideal condition. of organic fertilizers. The product will supply to all over the world, such as Europe, America, Australia,Wellington, Kenya,El Salvador, Tunisia.In order to improve the production efficiency of dry cow dung crushing equipment, there are more and more crushing equipment depending on the material. Regarding fertilizer materials, because of their special properties, the crushing equipment needs to be specially customized, and the horizontal chain mill is based on the fertilizer. A kind of equipment developed based on the characteristics of corrosion resistance and high efficiency.