DYSSJ shredder series from cooperation of sturdy pushing feeder and directional heavy bearing, which make the operation more safety. Standard seratted pushing feeder is equiped to the DYSSJ shredder, which makes it easier to shred big blocks pallet and wood. Different feeding hopper can be designed according to customer’s requirements. Standard feeding hopper is suitable to feed large quantities and big blocks of material. This kind of hopper can make optimal production. The mechanical pusher push material to rotor continuously, so the output is high. Automatic shredding process can not make it stuck.