Composting is an organic fertilizer decomposing process that utilizes the fermentation of bacteria, actinomycetes, fungi and other microorganisms widely distributed in nature under a certain temperature, humidity, carbon-nitrogen ratio and ventilation conditions under artificial control. Indicator Strips, Sterility Indicators , Autoclave Sterilization Tape , Paper Crepe ,Biological Indicator For Plasma . Compost sources include plant or animal fertilizers and their excreta, which are mixed to produce compost. The biological residues and animal excrement are mixed by a composter, and after the carbon-nitrogen ratio, moisture and ventilation are adjusted, and after a period of accumulation, the decomposed product after composting by microorganisms is compost. The product will supply to all over the world, such as Europe, America, Australia,Guyana, Macedonia,French, Lithuania.Industrial compost screener