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