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