In a petition filed on June 5, 2009, four U.S. firms seek the imposition of anti-dumping and countervailing duties on imports of wire decking from China. Neither the value of imports nor estimates of the dumping or subsidy rates are given in the public version of the petition. The case ended in the final affirmative injury phase of the U.S. International Trade Commission investigation. The commission's negative finding in this investigation on July 1, 2010 meant that no orders were put into effect. The Department of Commerce had earlier found margins of 437.11% (subsidy) and 16-143% (dumping).