Reread the Management Focus feature on U.S. Magnesium Seeks Protection. Who gains most from the antidumping duties

Question:

Reread the Management Focus feature on "U.S. Magnesium Seeks Protection." Who gains most from the antidumping duties levied by the United States on imports of magnesium from China and Russia? Who are the losers? Are these duties in the best national interests of the United States?