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