1. Economic Philosophy
- This product can maximize economic benefits as it shortens construction period and reduces costs, such as labor cost, material cost, transportation cost, etc., drastically slashing overall construction costs.

2. Uniformity of Quality
- The best product with excellent durability and uniform water-tightness and strength, manufactured with rigorous quality control.

3. Various Applications
- It is widely used as agriculture drain line, side gutter for factory, playground, mountain ridge, soccer field, road, drain line for apartment district and leisure facilities such as golf course and tennis court, and has the advantage of minimizing the area for drainage lines.

4. Ease of maintenance
- It enables 100% precision construction which characterizes unit product, and is advantageous for partial repair, as well as whole repair.