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