Four-shaft shredder, adaptable to a variety of complex materials; Long service life of wear parts such as cutter heads, easy to replace and maintain; Meet the requirements of processing capacity and fine discharge particle size; Low maintenance workload. Low investment and use cost. It is mainly used for shredding metal barrels, refrigerators, rubber, plastic, tires, circuit boards, household garbage, medical waste, hazardous waste, electronic waste, and other waste materials.