Lawyers for Chinese companies say U.S. Steel Corp.'s claim that Chinese companies colluded to artificially reduce the cost of steel exports goes against the conventional use of antitrust laws -- that artificially high prices hurt consumers -- and should be thrown out for failing to assert an actual injury, according to a motion filed with the International Trade Commission on Aug. 26. The motion, filed by several Chinese companies involved in a pending 337 case investigating allegations of unfair trade...