... ductile iron castings & parts.Thermoelectricity system: Heat-resistant or wear-resistant steel boiler parts such as burner port, ... parts as housing, valve body & core, etc.Hydroelectric system: water turbine parts such as stainless blade, upper & ... fittings, flange and corrosive-resistant excess flow parts. Steel structure & Building industries Steel nodes used in large sport stadium, exhibition center, ...