As an OBO, you'll get proxies, and so you'll still have a chance to vote.

FORBES: Magazine Article

Bayan Obo alone accounts for 45%. (The neat graph below is courtesy of Wikipedia).

FORBES: The Politics of Rare Earth

If you're a brokerage client and don't want to be bothered, call your broker and ask her to sign you up as an OBO for all your holdings.

FORBES: Annoying Phone Calls? Blame The SEC

China had several competitive advantages over the U.S. First, it has some of the best concentrations of rare earths in the world, including the huge Bayan Obo mine in Inner Mongolia.

FORBES: The Politics of Rare Earth