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