Blind Flange Hebei Xingfeng Steel Pipe Co., Ltd Base Info Standard:ANSIType:Welding FlangeMaterial:Carbon SteelStructure:FlangesConnection:FlangedSealing Surface:RFManufacturing Way:Forging Description Pre:Slip on Flange Next:2015 High Quality OEM Railway Tie Plate for Rail Construction Project--Anyang Forging