The dual‑shaft shredder can shred various solid wastes such as plastics, rubber, industrial blue barrels, plastic‑absorbed parts, refrigerator drawers, waste home appliances, automobile bumpers, waste wood, waste cartons and thin‑gauge metal. During operation, materials are fed into the shredding chamber, where two sets of cutter shafts rotate in opposite directions to tear materials into small pieces that discharge from the bottom. It features high torque, low rotational speed, strong impact resistance, low risk of material jamming, wide material compatibility, stable operation and convenient maintenance.