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