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