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