WHAT THE U.S. SAYS
-- China is not living up to WTO promises on the importation of wheat and corn and is using a murky import licensing system to restrict U.S. grain imports.
-- Beijing is using non-WTO-compliant export subsidies to sell corn to South Korea, to the detriment of U.S. exports.
-- Beijing is violating the trade-related agreement on protection of intellectual property by letting counterfeiting continue.
WHAT CHINA SAYS
-- Higher U.S. tariffs on steel violate WTO rules and unfairly protect its steel industry. Beijing has filed a formal WTO complaint.
-- The U.S. has broken its free-trade pledge by introducing a large farm-subsidy package