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