Both ductile iron pipes and ordinary cast iron contain graphite monomers, which means that cast iron is a mixture of iron and graphite. The graphite in ordinary cast iron is fla...

Ductile cast iron pipe with excellent mechanical properties and external quality, is the carrier of pipe water supply enterprise, its strong bearing capacity, reliable sealing p...

Ductile iron pipes all adopt flexible interface. The national standard of China stipulates the technical requirements of ductile iron pipe, pipe fitting and apron for water conv...