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