The cement drainage pipes serve the following purposes:
1. Highway longitudinal and transverse drainage and permeability:
2. Highway retaining walls and ditches, both vertical and horizontal drainage on the back and sides:
3. Tunnel and underground drainage.
4. Municipal engineering, water purification plants, wastewater treatment plants, landfills, etc., water supply and drainage.
5. Drainage for golf courses, sports fields, parks, and other recreational green spaces.
6. Slope Development and Soil and Water Conservation on Hillsides
7. Ground leveling for underground drainage.
































