- The pulverizer is widely used in the production process of organic fertilizer, and has a good pulverizing effect on wet raw materials such as chicken manure and sludge. Central Sterile Supply Department Cssd, Infection Control , Crepe Paper Wrap , Bed Roll ,Type 6 Chemical Indicator . The working principle of the composting machine is to biodecompose the organic matter in the wastes such as harmless organic sludge, kitchen waste, pig and cattle manure, etc., to achieve the purpose of harmless, stable and composting resources. The product will supply to all over the world, such as Europe, America, Australia,Salt Lake City, Kuala Lumpur,United States, Iceland.What pits should be avoided when choosing