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       The principle flow of the coarse crusher is that the material is sent into the crushing chamber by the feed hopper, and the impact of the blade and the knife seat, the rotary knife and the fixed knife are shear and crushed at the same time, and the material is automatically discharged from the exit due to the action of the rotating centrifugal force. This machine is suitable for pharmaceutical, chemical, metallurgy, food, construction and other industries.