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