Carbon Steel High Pressure Flange Hebei Zhuorun Oil and Gas Pipeline Co., Ltd. Base Info Standard:ANSIType:Welding FlangeMaterial:Carbon SteelManufacturing Way:ForgingTrademark:JINGUANOrigin:Cangzhou City,Hebei Province,China Description Pre:Carbon Steel Butt Weld Flange Next:Sanitary Pipe Hanger