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