The multifunctional hammer mill of 40, 50, 65 ,130 are our approved products and it comes with the water cooling system. It mainly grinds the waste paper, waste rubber, PVC foaming board and all kinds of wood pieces, stalk, etc. Structure reasonable, firm durable, safe reliable, operation easy, the vibration small and the efficiency is high. It is widely used in the professions such as biomass fuel factory, power station, fodder factory, cultivation factory, organic fertilizer factory, Chinese medicine, chemical industry and so on.