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