Features: 1)Ductile Iron Grooved fittings 2)Finish:Painting ,Epoxy Powder or Darcromet; 3)Pressure:300PSI ... 4)Color:RAL3000 Features:1)Ductile Iron Grooved Fittings,LEDEXGQT,3)Finish: Painting ,Epoxy Powder or Galvanization,4) ... supplying,drainage,airconditioning etc.3)Pipeline system on subway station,railway station ,airport ,seaport ,bridge,channel etc Pipe Fittings FM&UL Ductile ...