A 20,000 t/year organic fertilizer production line was put into use, and the client purchased the same equipment again for expanded production. The production line includes compost turners, crushers, mixers, granulators, dryers, coolers, screeners and belt conveyors. After fermentation, crushing, mixing, granulation, drying and cooling of raw materials, unqualified products are screened and recycled, while qualified products are packaged for delivery.