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