Banglin HDPE double-arm corrugated pipe has smooth inner wall, good flexibility, corrosion resistance, impact resistance, anti-sedimentation and good wear resistance. The outer wall is arc-shaped corrugated ribs. This product can be used for underground drainage, industrial drainage and sewage discharge where the long-term temperature does not exceed 45 degrees. It can also be used for polyethylene double-arm corrugated pipes for communication casings.