Product name concrete pump flange size 4-8inch material Q235,st52,20#steel type sk flange ,fm flange,zx flange,sided flange,HD flange brand schwing,sany,zoomlion,,putameister,kukyoto packing wood box,plastic paper or paper case technology forging,high temperature,rolling ,shaped application connection of concrete pump pump truck pipeline. advantage wear-resisting,aging-resisting,long service life,high safety,highly pressurized,widely use. |