... support, planet carrier, bearing housing, gear housing, sealing cover and other ductile iron castings & parts.Thermoelectricity system: Heat ... & fixed rings, ductile iron roller stand & core, cover and other parts; ductile iron transporter parts as housing, ... dyeing industries : All kinds of stainless steel pump housing, cover, impeller, valve body, valve cover, valve plate, pipe fittings, flange and ...