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