Henan railway warning pile with which company is good or selected] 18621966098 [Gan Jue "Last month, our company is doing their company logo piles and warning pile, good quality, the price is very reasonable, because we had to use the company price their company a lot higher, but with their low prices, or the same quality, service industry very well, indeed is a professional manufacturer, if you need to, you can call directly to the company. You can also contact the company directly responsible person Mr. Xu Mobile: 18621966098, my company is a real manufacturer, headquartered in Shanghai, making sales in all regions, are ex-factory price, no middle agents for any incidentals. sets the flag benefits pile settings Signs pile benefits: setting a flag pile can play the role of tips and warnings. Firstly, transmission line repair personnel can control the signs pile on "electronic inspection information button, the pipeline toward the pipeline Stake", quickly identify the location of the pipeline, a clear strike and to take timely measures to win time to repair, rapid emergency response. Secondly, involving high-pressure pipeline construction area, the operating unit can receive timely tips and contact information, to avoid high-pressure pipelines, high-voltage lines to avoid being hurt blindly digging, through the bumps , Geophysical damage caused by pipeline damage phenomenon, reaching the purpose of safeguarding security of gas supply, pipeline along the road green belt, side stone inside, farmland, embankments, bushes, ponds set using signs pile, power and water supply for the city safe played a positive role. Thus setting marks, it is very necessary. signs warning pile pile installation methods: bottom with two pairs of small diameter perforations 0.5 off the cross bar was filling a little cement fixed installation steps: 1. Dig 30-50cm depth of 30-60cm square hole two would mark stone beneath two steel insert jack symmetrical symmetrical cross 3. put mark stone 4. poured cement and parallel to the ground to mark stone installation process for each 20 minutes to complete Tel 021 -51081798 Website: http://www.sh-ganjue.com/ can see if there are any problems URLs can call to consult, oh, "