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By micro-mixing pre-conditioning, the physical characteristics of the table sludge, make it loose, form a material system with structure, good air permeability, suitable for biochemical oxidation, is the core technology key before the aerobic fermentation of sludge. Adopts the patented aeration technology and products independently developed on the basis of the experience of thick material fermentation engineering at home and abroad, with soft ventilation, uniform air distribution, low energy consumption and simple maintenance.