2. The cable marker post should not be installed on the road that is completely enclosed, and the device distance of the cable marker post should be 100m. In the case of flat ground, few visual disturbances and road straightness, the installation distance of the cable marker post can be greater than 100m, and the laying of the pipe marker post can be laid according to the detailed laying standard system!

3. Cable marker posts are buried along the natural gas high-pressure pipelines, mainly rigid PVC, glass fiber reinforced plastic, and composite materials, and are coated with yellow marks. The cable direction of the cable is marked with "gas pipeline, gas telephone, pipeline pile number, pipeline direction, "Electronic Inspection Information Button", it is convenient for patrol repair personnel to quickly find the right pipeline orientation and win the opportunity for emergency repair. Article 36 of the Regulations requires that the cable marker posts buried on the high-pressure pipeline of natural gas are dismantled and moved without authorization to be attributed to illegal acts. Why does the FRP marker post do not need to protect the marker post has become one of the indispensable equipment in social development. The use of it can make our life more civilized and more reasonable.

Under normal circumstances, the use of marker posts can be effective for a long time. If it is not protected and handled during the application period, a large number of marker posts may be missing and damaged. Therefore, after the device uses the marker post, we still need to pay attention to protection. The appearance of the FRP profile marker post makes the protection and handling work easier. Due to the special appearance of the product, it can not fade and not fall off for a long time. Moreover, the recycling value can be avoided, and theft can be avoided. Through these characteristics, the integrity of the marker post can be guaranteed, and its service life can be as long as 30 years.