Made of high strength and environment-friendly plastic, easy to install, heat-resistant, cold-resistant, impact-resistant, not easy to aging, long service life and not easy to damage.
1. After the water/ send/cement is filled, it is more cushioning and flexible. It can flexibly move after draining the water, effectively reducing the impact force, adding water or filling the sand hollowly.
2. increasing its own weight, and having the cushioning elasticity, which can effectively absorb the strong impact force and reduce the traffic accident.
3. Indicating a clear and clear route, combined use of the overall affordability stronger, more stable, you can bend along the road adjustment, installation flexibility.