万宁Half nipple
万宁Nipple
万宁Long nipple
万宁Half thread long nipple
万宁Hexagon nipple
万宁Hexagon F/M nipple
万宁Hexagon reducer nipple
万宁Hose nipple L-type
万宁Hose connector whj
万宁Hose connector WHS
万宁Hose joint WRH for welding
万宁Round water pipe joint wrhn
