Manhole Cover

Graffiti manhole covers combine urban functionality with artistic expression, transforming mundane utility access points into vibrant public art. Typically made from cast iron or composite materials, these covers maintain structural

Composite manhole covers are mainly made of non-metallic materials such as glass fiber, resin, mineral powder, etc. Compared with traditional cast iron manhole covers, they have advantages such as anti-theft, corrosion resistance,

The surface of the ductile iron manhole cover is also treated with anti-rust asphalt paint. One advantage of ductile iron manhole covers is that due to the high strength and good toughness of ductile iron, ductile iron manhole covers are