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