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