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