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