Applications: 1. Backwater pipelines 2. Transporting of mine tailings and slurry in the mining industry 3. Widely used in the transport of powder and coal ash in thermal power system 4. as well as the transport of mud and corrosive media with slag in other industries. 5. High-pressure transport of pulverized coal and coal-water slurry in the coal industry Features: 1.Very high impact resistance; 2. Extremely high wear resistance; 3. The unique resistance to low temperature. 4. Recycling; 5. Good self-lubrication;