Marker posts, also known as marker posts, identification piles, and marker posts, are commonly used as route indication signs for buried pipelines in power, communication, gas, tap water, and railways. A new type of product used for outdoor, green belts, shrubs, and pipeline path indication on both sides of top pipes, serving as a warning.

Classified by purpose: cable marker posts, oil and gas marker posts, communication marker posts, optical cable marker posts, tap water marker posts, railway marker posts, and highway mileage piles. Mainly classified based on the purpose of the product and the content printed on it.

According to materials, it can be divided into cement marker posts, plastic steel marker posts, and composite material marker posts. Composite material marker posts are further divided into: magnesite marker posts, fiberglass marker posts, resin Gaza marker posts, and resin marker posts..

Pipeline marker posts are generally used for the construction of water, oil, gas, and other pipelines. After the pipeline is completed, in order to facilitate the maintenance and repair of the pipeline, the accurate position of the pipeline is found by relying on the pipeline marker posts set up along the line. Pipeline marker posts mainly include corner stakes, mileage stakes, protection test stakes, etc. When crossing railways, highways, large rivers, cables, and other pipelines, marker posts should be set up. For all corners, marker posts should be set up. Long term marker mileage stakes should be set up throughout the entire kilometer of the pipeline. In the construction process of some dangerous goods transportation pipelines, pipeline marker posts also serve as protection test stakes.