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