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