Earthworm manure composting machine China Cooler For Fertilizer, Pellet Cooling, Vertical Fertilizer Crusher, Mixing Dryer,Pig Manure Fertilizer Crusher. The self-propelled composter is an integrated composter that can move on its own with a crawler or wheeled truck as its platform. The product will supply to all over the world, such as Europe, America, Australia,Somalia, Birmingham,Melbourne, South Africa.The double-stage pulverizer is widely used in municipal solid waste, distiller's grains, mushroom residue, etc. The preferred compost pulverizer has upper and lower poles for pulverizing, and two sets of rotors connected in series with each other. The pulverized materials are pulverized by each other to achieve the pulverizing effect.