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