The Significance of Municipal Manhole Covers in Urban Development

In China, the Ministry of Housing and Urban-Rural Development (MOHURD) is the governmental body responsible for urban development and construction. Its full name translates to the Ministry of Housing and Urban-Rural Development, and it oversees urban and rural planning, land use, real estate, housing security, and urban infrastructure development. The ministry’s predecessor was the National Urban Construction Hea...

Advantages of Ductile Iron Manhole Covers Compared to Steel

In the past, most manhole covers were made of steel. However, with economic development, ductile iron manhole covers have gradually become the preferred choice. This shift has raised questions: Why is ductile iron now favored? Today, as a manufacturer of ductile iron covers, we will provide a comparative analysis to determine which material performs better.   Ductile Iron: A Modern Material   While steel remains ...