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