三明Half nipple
三明Nipple
三明Long nipple
三明Half thread long nipple
三明Hexagon nipple
三明Hexagon F/M nipple
三明Hexagon reducer nipple
三明Hose nipple L-type
三明Hose connector whj
三明Hose connector WHS
三明Hose joint WRH for welding
三明Round water pipe joint wrhn
