Generally, it can be used to shred solid materials such as plastic, rubber, fiber, paper, wood, electrical devices, cables, etc. that are difficult to break, such as nozzle materials, plastic heads, PET bottles, cardboard, circuit boards, wood, plastic barrels, etc. As long as the material is difficult to shredder, the product that enters the shredder becomes 20x40mm granular. The shredder uses a low knife speed to ensure safety and no harm, low noise, low energy consumption and strong practicability. The materials suitable for crushing are as follows: