AIAENG AIA Engineering Ltd Legal Disputes Announcement 2024 - U.S. Duty Update AIA Engineering Ltd. updated that the U.S. Department of Commerce has set a preliminary countervailing duty of 3.36% on certain high chrome cast iron grinding media imported from India, effective October 4, 2024, with a final determination expected in February/March 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for AIA Engineering Ltd