US International Trade Commission on the 12th to make the final ruling, finds a refrigerant products imported from China did not cause material injury or threat to the US industry, the United States Department of Commerce had asked for these products to impose anti-dumping and countervailing duty ("double reverse ") tariff decision will not be executed. US International Trade Commission six members to vote the same day by a 4-2 ruling. Refrigerant products involved are 1,1,1,2 or similar chemical products, mainly for automotive air conditioning systems, can also be used in commercial buildings, houses the air conditioning system. US Department of Commerce had made the final ruling on October 15, finds from Chinese exports to the United States this refrigerant product dumping margin of 280.67 percent, the government subsidy rate obtained was from 1.87 to 22.75%, to be levied on these products. " double reverse "tariffs. But according to the US program, "dual" duties require US Department of Commerce and the International Trade Commission have made an affirmative final determination to perform. US Commerce Department data show that the amount of these products are imported from the United States last year, China was $ 34.7 million. Chinese Ministry of Commerce repeatedly expressed the hope that the US government abide by the commitment to oppose trade protectionism, and jointly safeguard the free, open and fair international trade environment, with a more rational approach to properly handle trade frictions. Articles from http://www.cnbs.cc/news2014/141114.php