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Swing road pile commonly use in some special situations ,such as highway law enforcement, police law enforcement, hotel, residence, sports venues, the dangerous area, road construction site and other places . When people are driving carelessly , the road pile easily damage , and also damage people’s car.We are inspired by the tumbler ,so we add the spring at the road pile
bottom, that it can not fell down by the shock.When the car hit the road pile, the road pile will be
rocked to slow down the damage. This new concept of road pile does not affect the original function of the road pile. Road pile with spring is simple combi