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