AIAENG AIA Engineering Ltd Legal Disputes Announcement 2024 - Anti-Dumping Duty Update AIA Engineering Ltd. updated that the U.S. Department of Commerce announced a preliminary anti-dumping duty of 4.30% on certain imported grinding media from India, effective upon publication, with a final determination expected in April/May 2025..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for AIA Engineering Ltd