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