On August 26, 2022, the U.S. Department of Commerce issued an announcement stating that in response to applications submitted by the Aluminum Association Common Alloy 铝板 Working Group and its members Aluminum Sheet/CAAS) anti-dumping and anti-subsidy case initiated an anti-circumvention investigation to examine whether the products involved are produced from 4017 aluminum alloys in order to avoid anti-dumping and countervailing duties on aluminum alloy sheets. 4017 铝板, in coils or cut-to-length in millimeters.

十一月 28, 2017, the U.S. Department of Commerce announced that it independently initiated a double-reverse investigation on aluminum alloy sheets imported from China. 十一月 7, 2018, the U.S. Department of Commerce made an affirmative final ruling on the case. 十二月 7, 2018, the US International Trade Commission made an affirmative final ruling on industrial damage in the case. On February 6, 2019, the United States officially imposed countervailing duties on Chinese aluminum alloy sheets. On February 8, 2019, the United States officially imposed anti-dumping duties on Chinese 铝合金板. The products involved were those with a thickness greater than 0.2 mm and less than or equal to 6.3 毫米. Aluminum alloy sheets or coils to length, involving U.S. Harmonized Tariff Nos. 7606.11.3060, 7606.11.6000, 7606.12.3090, 7606.12.6000, 7606.91.3090, 7606.91.6080, 7606.92.3090, 7606.92.6080 制品, and some products under headings 7606.11.3030, 7606.12.3030, 7606.91.3060, 7606.91.6040, 7606.92.3060, 7606.92.6040, 7607.11.9090.