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