Drain cover is also known as "drain cover", "manhole cover" steel grating cover common specifications, "manhole" Initially it was cement, steel mesh cover made of cast iron water, after the normal use it is easy to damage, a large replacement costs. Hefei gate so much late pressure using welded steel grating, so with a simple construction and installation, light weight, carrying good, strong impact resistance, excellent drainage, surface appearance after treatment using hot dip galvanized, rust anticorrosive steel grid plate manufacturer, has incomparable advantages of cast iron trench cover. Steel grating trench cover the ground with a sidewalk, driveway, patio or buildings as cover ditch, pipeline trenches, underground tunnels, wind well, light wells, inspection wells. Steel grating trench cover usually consists of a fixed frame and the activities of steel grating cover. Can be coupled with a fastening mechanism according to the need or the antitheft device of a trench cover performance requirements, require large thermal conductivity, the heat generated during the drilling away quickly, reducing the temperature of the drill bit. Second, the composition itself does not contain resin, otherwise greasy dirt hole drilling. Third, hardness, surface hardness preventing certain surface drilling burr, but too hard to be worn drill bit. Steel grating cover installation, Asahi Connaught wire mesh (certified), steel grating 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 implement 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.