Customized ductile cast iron manhole cover

Customized ductile cast iron manhole cover is printed with the words Hangzhou Water, one is to better distinguish the type of manhole cover, and the other is to better manage the manhole cover on the road. In this way, each manhole cover has its own department management, and security will be more in place. Custom ductile cast iron manhole cover using ductile cast iron material, with pressure resistance, good impact resistance, acid resistance, alkali corrosion resistance, long service life and other characteristics. We can customize different sizes and patterns of ductile cast iron manhole covers.