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