(CNN) -- The United States, the European Union and Japan are filing a challenge with the World Trade Organization against China's export restrictions on minerals that are crucial for the production of many high-tech devices, President Barack Obama announced Tuesday.
In a statement to reporters at the White House, Obama said the case seeks to force China to lift export limits on certain minerals known as rare earths.
China produces 97% of all rare earths, according to the European Union. The materials are used in products such as flat-screen televisions, smart phones, hybrid car batteries, wind turbines, energy-efficient lighting, electronics, cars and petroleum.
"We want our companies building those products right here in America," Obama said. "But to do that, American manufacturers need to have access to rare earth materials which China supplies. Now, if China would simply let the market work on its own, we'd have no objections." Read More