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