Fitting, Valve manufacturer / supplier in China, offering Customized Standard Ductile Iron Invert Tee/Cross Flange Spigot Socket, OEM En545 Ductile Iron Pipe Fitting All Flange Ductile Iron Tee for Pipe Connecting, OEM ISO2531 En545 En598 Water Sewerage Equal Tee Pipe Fittings All Flanged Tee and so on.