An innovated corrugated pipe for sewage pipe system: 1) Supper stiffness of SN8, SN12.5, SN16; 2) Saving 30% polyethylene material than corrugated pipe; 3) Larger diameter from 500 to 2400mm are available; 4) Less weight than corrugated pipe in same stiffness. 6) Can modify your PE line to reinforced pipe. 7) cost saving and high output.