SUNS FLOW SYSTEMS is a professional group manufacture wide range of Ductile Iron pipes, Ductile Iron Fittings, Ductile Iron Valves & other products used for water networks, sewer networks, water/waste water treatment plants, industrial plants & other applications. SUNS locate in China, Republic of Ireland & other countries. SUNS manufacturing facilities are wide used in many countries started since 1983. SUNS manufacture very high quality products meet International Standards, European Standards, Japanese Standards, Korean Standards, USA Standards & Others.