六盘水Half nipple
六盘水Nipple
六盘水Long nipple
六盘水Half thread long nipple
六盘水Hexagon nipple
六盘水Hexagon F/M nipple
六盘水Hexagon reducer nipple
六盘水Hose nipple L-type
六盘水Hose connector whj
六盘水Hose connector WHS
六盘水Hose joint WRH for welding
六盘水Round water pipe joint wrhn
