1.Manufactured by Lost Foam Casting 2.High quality and good finish 3.Good incredit 4.ISO2531 & EN545 5.OEM availible MaterialIron GGG500-7, GGG450-10SizeDN50MM-2000MMAccessoriesGaskets,bolts and nutsCoatingFusion bonded epoxy coating;cement lining inside and zinc and bitumen coating outside; Zinc+bitumen inside and outside.MarketEurope,Middle east, Africa, America DI PVC End Cap