China’s move to ban exports of rare metals to the US underscores the need for trade cooperation between mineral-rich Canada and its southern neighbor.Most Read from BloombergAs Wars Rage, Cities Face a Dark New Era of Urban DestructionRiyadh Metro Partially Opens in Bid to Ease City’s Traffic JamsThat’s the message from the Mining Association of Canada,

The need for trade cooperation between Canada and the U.S. is needed more than ever following China's move to curb shipments of gallium, germanium and other key metals to the U.S.

As China responds to the latest U.S. measures by banning the export of several key minerals, one analyst warns of "a trade war that has no winners."