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