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