1) Strong structure, easy to operate, low electricity consumption & durable 2) Uses high quality steel material especially for making knives of the crushers, the machine stands long use under severe and continuous service conditions. 3) The blades can be grinded for many times and can be used repeatedly 4) Blades base is made of T7 high quality steel, hard to be broken and damaged; Blades base structure is stable and durable 5) With flat type ,claw type and cross type blade and screen with different hole size for chose to suit various demand. 6) With double reduce noise layer design to reduce noise output. 7) Has protection system with the power supply to ensure the equipment safe 8) Easy to clean and maintain, the hopper, crusher room, blades and screen can be removed and mounted easily. 9) Necessary for the plastic extrusion machines and other plastic recycling industry