Manhole covers are referred to as trench covers,It is made by spot welding steel grating panels, featuring simple installation, lightweight, high load-bearing capacity, good impact resistance, prefers bending over breaking, and high drainage capacity. After hot-dip galvanizing, it is aesthetically pleasing and durable, with corrosion and rust resistance, and unmatched advantages over cast iron manhole covers. The steel grating panels, connected by hinges and other methods, are easy to open and offer anti-theft functionality. Applications of the manhole covers: Widely used in municipal roads, garden facilities, residential communities, schools, sports venues, and various other locations. Steel grating panels are also known as grating panels or steel grating. Our factory can also produce steel grating panels with different load-bearing capacities and spans according to customer requirements.