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