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