About covers security issues, the municipal sector is a headache. To prevent the covers were stolen from the source, you have to make covers no recycling value available. For example, theft prevention materials, concrete materials, nor steal back the recovery value, it can not sell money, cement covers steel mold, and heavy, not too much effort to get up. Now covers anti-theft device are: rabbet derotating skill Act, Yunnan theft cement covers mold, bolt hole plugging techniques method, lock key method, chains connection method, hinge joint law, theft cement covers mold price, fork joint linkage law. Through these measures, cement covers plastic mold, theft covers a large part of the problem has been solved. Correct installation covers also ensure the safety factors are important to ensure proper use of covers to improve the quality of its installation. We must follow the appropriate regulations. 1, the new statistics, type alteration manholes, location, number, height  depth  and Manhole structure and so  preparation of "Manhole construction archives." 2, according to the construction site conditions, road width width, machinery and equipment capacity  asphalt paving way to determine in advance and the construction sequence. Determine covers installation height control point and basis for acceptance. 3, asphalt surface construction before full acceptance  elevation  organization failed rework renovations. I believe that with this expertise, our customers and friends were able to make better use of covers mold to produce more qualified covers product. Yunnan theft cement covers mold, mold Kaiyuan Stateline, cement covers plastic mold provided by the State-die factory in Baoding Century. Yunnan theft cement covers mold, mold Kaiyuan Stateline, cement covers plastic mold Baoding Century country-die factory (www.kaiyuanguotong.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Cui Jianxiang.