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