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