The shredder machine is known by shearing, tearing and pressing the material to achieve reduced size, which is mainly used for packing tape shredder, tires, films, bags, and other plastic waste nets Of the broken recycling. The shredder-cusher machine is mainly used to grind,crusher and recycling the lump or block plastics,such as:large diameter HDPE pipe ,big soild block of plastic ,plastic barrel etc.And its end plastic scraps size is about 3-8mm,which can be directly used for your injection machine and extruder machine.