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