The road marker post is a kind of identification device. It has been widely used in recent years. As long as there are facilities such as buried pipelines and pipes in the ground, the marker posts will definitely be buried above to protect the land. The buried facilities to prevent the pipeline from being dug up and cause unnecessary losses. It has many advantages. First, the material is made of glass fiber composite material molding (recycling is useless). The second is that the surface text on the product is special silk screen, which is colored and solidified at one time. The text foundation is hard, and the wear resistance is durable.