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