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