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