Book shredder is specially used to shred book waste into pieces, also named paper shredder, it belongs to double shaft shredder (two shaft shredder). According to different waste materials, the shredder includes: A4 paper shredder, carton shredder, cardboard shredder, document file shredder, confidential document shredder, magazine and newspaper shredder, IC card shredder, credit card shredder, bank cards shredder, paper box shredder, and so on.