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