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铸铁井盖,以其笨重、质脆、易失窃、易破损和价格高等缺点正在逐步退出市场,而新型复合材料生产的防盗井盖正在主导市场。新型井盖以其强度高、弹性大、承载力强等优点受到普遍认可,广泛应用于市政、建筑、供水、供热、燃气、电信、移动管网、铁路管道等没施。尤其从材质上防盗,从根本上消除黑色陷阱隐患,更受到市政、建筑等有关部门的好评。
Cast iron covers, with its bulky, crisp, easy to stolen, easy to break and high prices are gradually out of the market shortcomings, while the new composite anti-theft manhole covers are leading the market. The new covers are widely recognized for their advantages of high strength, high elasticity and strong bearing capacity. They are widely used in municipal, construction, water supply, heating, gas, telecommunications, mobile pipelines and railway pipelines. In particular, anti-theft from the material, the root cause of the black trap to eliminate hidden, but also by the municipal government, construction and other departments praise.