The United States Department of Commerce made final decision on December 18, 2012 to levy anti dumping duty of 44.99 to 70.63% and countertailing duty of 21.86-34.81 percent on China-produced wind towers.
Statistics showed that China exported US$220 million worth of wind towers in 2011.
Source:
http://www.steelguru.com/chinese_news/UD_DOC_Decides_to_Levy_ADCVD_Duties_on_Chinese_Wind_Towers/296867.html