2010 on August 26, U.S. Department of Commerce issued a bulletin on the potassium permanganate originating in China Quick sunset review of anti-dumping final ruling, ruled that Chinese enterprises involved in the general dumping margin of 128.94 percent.
1983 March 18, U.S. Department of Commerce of potassium permanganate originating in China anti-dumping investigation, the product concerned, the Customs Code to 28416100. December 29, 1983, the U.S. Department of Commerce to make final ruling on the case, ruled that the Chinese companies involved The dumping margin is 39.63%. May 3, 2010, the U.S. Department of Commerce on the case for the 3rd Anti-dumping sunset review investigation.
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