At present, the C shape post is widely used all over the world. The corrugated guardrail is composed of two posts, which is composed of the beam and beams corrugated beam steel guardrails and between them, and the two guardrails are mounted between two corrugated steel guardrails. In the normal operation of the highway, the barrier can be conveniently inserted into the preset plug hole in the opening, which can be isolated and protected.C post by steel strip cold rolling forming, the dimensions is diversiform, can be customized according to customer requirements, in the whole guardrail post, which has been widely used, C post section for "C" glyph, strength, also facilitate guardrail installation, C post can cooperate and various blocks, C type post can and C type spacer, u-shaped spacer, box spacer, bracket, etc is tie-in, cooperate with various forms.