International Trade Commission Makes Affirmative Final Determinations in Trade Case on Vertical Shaft Engines from China, Wiley Reports News provided by Share this article Share this article WASHINGTON, Feb. 2, 2021 /PRNewswire/ -- In a victory for the U.S. industry, the U.S. International Trade Commission (ITC) today made an affirmative final determination in the antidumping (AD) and countervailing duty (CVD) investigations on vertical shaft engines (VSEs) with a displacement of between 225cc and 999cc from China. The ITC found that U.S. vertical shaft engine producers have been materially injured by unfairly traded imports of vertical shaft engines from China, paving the way for imposition of AD/CVD orders.