青岛Half nipple
青岛Nipple
青岛Long nipple
青岛Half thread long nipple
青岛Hexagon nipple
青岛Hexagon F/M nipple
青岛Hexagon reducer nipple
青岛Hose nipple L-type
青岛Hose connector whj
青岛Hose connector WHS
青岛Hose joint WRH for welding
青岛Round water pipe joint wrhn
