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