Drainage manhole covers and gutter covers are made of steel gratings, with a variety of models available to suit different loads and spans. What are the properties of trench covers used in construction?
The trench cover steel grating product can be constructed easily, has good load-bearing performance, good impact resistance, large drainage capacity, hot-dip galvanizing treatment on the surface, is beautiful and durable, and is currently the most widely used product in the country that can replace cast iron cover plates. . Municipal manhole covers are connected with hinges, which are easy to open and anti-theft. Therefore, it is widely used in municipal roads, garden settings, sports venues, residential areas, factories, docks and other fields.
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