传统的标志桩整体为水泥铸造，字迹不明显，警示性不强，标注在水泥柱体表面易褪色。
Traditional marking piles are cast in cement as a whole. The handwriting is not obvious and the warning is not strong. The marking on the surface of the cement column is easy to fade.
当然还有塑钢及树脂标志桩，但其强度低不耐老化限制了其使用。电信标志桩是以改性菱镁水泥为胶凝材料、辅以必要的填充料、再以增强材料增强而制成的，是一种新型的标志桩，是水泥、塑钢及树脂标志桩的良好替代品，可有效解决地下重要设施被挖断的问题，主要用作电力、通信、燃气、自来水、铁路等管线路径通道的指示标志兼警告牌。
Of course, there are plastic steel and resin marking piles, but their low strength and aging resistance limit their use. Telecommunication marking pile is made of modified magnesite cement as cementing material, supplemented by necessary filling material and reinforced by reinforcing material. It is a new type of marking pile. It is a good substitute for cement, plastic steel and resin marking pile. It can effectively solve the problem of excavation of important underground facilities. It is mainly used as the guide of pipeline diameter channels such as electric power, communication, gas, tap water and railway. Signs and warning signs.
目前已广泛应用于各地区闹市、风景区、绿化带、灌木丛及顶管两侧管线路径的指示，市场前景巨大。
At present, it has been widely used in downtown areas, scenic spots, green belts, shrubs and pipe jacking pipeline path instructions in various regions, and the market prospects are huge.