Cangzhou Kenuo Manhole Covers Application: Drainage

We are highly reputed manufacturer, supplier and exporter of Manhole Covers in Cangzhou, Hebei, China. Graphite cast iron manhole cover is the market as the most common form of cast iron material which has been gradually developed into a gray cast iron after the application of a very wide range of cast iron materials. The main component of ductile iron manhole covers is bred through ball and even treated spheroidal graphite obtained can be more effective to improve the mechanical properties of cast iron, in particular to improve the ductility or toughness, can be obtained even than carbon steel even higher strength. Manhole covers through continuous development for decades, overall performance is close to steel, is based on this excellent performance, has been successfully used to cast some of the affordability of comparable complexity, strength and toughness, wear resistance requirements are more parts.