Self-regulating anti-settlement gutter cover, is the use of the special structure of the box well, the well manhole frame and the seat from the "podium" joints to "socket" joints, large frame seat on the asphalt, no External hinge circular groove decking Which, under pressure by the side of the box well above will greatly reduce the load borne by manhole, effective solution to the problem of road subsidence and damage, and devices through the use of three-fixing cover spring arm lock, frame, the jitter is prevented gutter cover, reduces the noise. Thin deck shop, driving fewer minor accidents with traffic growing, maintenance and transportation are also more prominent contradictions, to resolve conflicts and maintenance of traffic, Municipal Utilities Board from abroad and coastal regions, the introduction of concrete Deck rapid repair technology, and many improvements to suit local Chongqing. Has been successfully applied in Yuzhong XINGFA Yanggongqiao bridge and overpass. In recent years, Chongqing city roads began large-scale "white to black" circular trench cover wholesale, Municipal Facilities Authority introduced a thin bridge deck pavement technology circular trench cover, safe and effective solution to bridge the contradictions driving comfort. In Gao Garden Bridge renovation, Yanggongqiao interchange regulation, Hing Fat bridge rectification, the average use of a thin layer of pavement bridge technology, and achieved good results, roads, parks and other municipal facilities, water wells, Shen manholes, manhole, water wells and other water supply and drainage wells or holes, manhole cover round steel grating trench cover, can be used GM-type wells steel grating cover. GM-type wells steel grating cover is generally designed to be flip, usually turn the headstock angle of 110 °. With a hinge pin steel grating cover not only security but also simplifies the construction process. In order to improve impact resistance, GM-type wells steel grating cover commonly used bar spacing of 50mm steel grating manufactured. Circular trench trench cover, Asahi Connaught wire mesh (certified), circular trench cover provided by Asahi Connaught Anping Wire Mesh Products Co., Ltd. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Snow in Asahi Metal Mesh leadership with the staff warmly welcome all inquiries negotiations to create Asahi promise a better future wire mesh.