"Our company made last month that their company logo piles and piles warning, good quality, the price is very reasonable, because we had to use a lot higher than the price of the company of their company, but with their low prices, or the same quality, service industry very well, indeed the professional manufacturer, if you need to, you can call the contact directly to the company can contact the company directly responsible person Mr. Xu Mobile: 18621966098, my company is really . manufacturer, headquartered in Shanghai, doing various regions of the country sales are ex-factory price, without any intermediate agents set miscellaneous benefits of setting a flag mark pile pile benefits: setting a flag pile can play tips and warning. First, the transmission line repair personnel can control the "electronic polling information button, the pipeline to pipeline Stake" logo on the pile, quickly identify the location of the pipeline, a clear direction and to take timely measures to win time to repair, rapid emergency response, followed by , 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, damage caused by pipeline damage geophysical phenomena, to maintain supply security purposes pipeline along the road green belt, the side of the stone, farmland, embankments, shrubs, ponds set using signs pile, power and water supply for the city's security has played a positive role. shows setting marks, it is very necessary Warning signs pile installation methods pile: bottom 0.5 has two small diameter perforation was crossed off the reinforced cement pour a small amount of fixed installation steps: 1 dug 30-50cm depth 30-60cm square hole 2 to two steel insert. below the standard jack stone symmetrical symmetrical cross three cement poured into the standard stone 4 parallel to the ground to mark each stone installation process can be completed in 20 minutes Tel 021 -51081798 Website:.. http: / / www.sh-ganjue.com/ can see the URL if you have any questions you can call to consult directly Oh, "