7. The screening machine needs to screen out the unqualified particles of fertilizer, and the unqualified materials will also be returned to the production line for qualified treatment and reprocessing. Semi Automatic Fertilizer Packaging Machine, Flat Belt Conveyor, Windrow Turner, Cooling Cement Price,Cage Type Crushing Machine. Equipment for fermentation The product will supply to all over the world, such as Europe, America, Australia,Jeddah, Hungary,Uganda, Kenya.There are many types of compost grinders. The vertical chain grinder uses a high-strength, hard alloy chain with synchronous speed during the grinding process, which is suitable for the grinding of raw materials and returned materials for fertilizer production.