1)Light weight, and strong bearing capacity.
2)Smooth surface, low water absorption permeability.
3)U-shaped section can increase drainage capacity and strengthen self-cleaning function.
4)High strength, grind resistance, solid and reliable, strong practicality.
5)Good drainage performance, rapid drainage and discharge of sediment.
6)Ageing resistance, good stability.
7)Chemical resistance, protect water source.
8)Easy installation, shorten the construction period.
9)Zero penetration, no risk of frost cracking.