Product features：

Large Bridges not only on both sides of the fence, and the central guardrail,They have similar functions, but with a different purpose，

The bridge on both sides of the fence:：refers to the set in the bridge on both sides of the fence.The purpose is to prevent runaway vehicle out of the bridge,avoid collisions road facilities and other vehicles out of the bridge.

The central guardrail：refers to the set within the bridge median guardrail。Purpose is to prevent runaway vehicles through median into to the driveway，and to protect structures within the separation zone。

Whether it's the bridge on both sides of the fence:，or The central guardrail，the stress mechanics characteristics can be divided into rigid guardrail，Semi-rigid guardrail and flexible fence three forms。

The choice of the form of a bridge guardrail，according to the requirement of mask level in the first place，avoid is out of control vehicle jumping out in the corresponding design conditions.at the same time should also be comprehensive consideration road grade,the characteristics of the bridge railings outside danger, beautiful, economy.and maintenance and other factors。