... sludge,city waste,cow manure,fertilizer fertilizer drying machine 1.Less investment: apply small area, saving ... gravity and rotation force, meanwhile, fertilizer drying machine is lifted by board repeatedly and thrown down ... for more details,please contact usZhengzhou Aix Machinery Equipment Co Ltd0086--371--556775270086--182--37112105skype zzaixmachine 3--5t/h compound fertilizer drying machine for ...