Double shaft shredder machines can meet the waste recycling requirements of various industries, suitable for shredding thick and difficult materials, such as electronic waste, plastic, metal, wood, waste rubber, packaging barrel, pallet, etc. There are many kinds of recyclable materials, and the shredded materials can be directly recycled or further refined according to demand. It is suitable for industrial waste recycling, medical recycling, electronic manufacturing, pallet manufacturing, wood processing, household waste recycling, plastic recycling, tire recycling, paper making and other industries. This series of dual shaft shredder machine has the characteristics of low speed, large torque, low noise, etc., using PLC control system, can be automatically controlled, with start, stop, reverse and overload automatic reverse control functions.