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