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