1 Material: Ductile/Grey Cast Iron GGG50, QT500-7/450-10,FGS500-7,420-12 2 Standard: ISO2531 BS EN545 EN598 BS4772 DIN2501,GBT13295 3 Application: Water supply project, drainage, sewerage, Irrigation ,water pipeline 4 Certificates: ISO2531:2009, EN545:2010, EN598 ISO9001, ISO14001,ISO18001.