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