US First Solar Files 337 Investigation Petition on TOPCon Solar Products

Published: Feb 28, 2026 16:24

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U.S. Company Files 337 Investigation Petition Against TOPCon Solar Products
February 28, Ministry of Commerce Announcement
On February 24, 2026, U.S.-based First Solar, Inc. filed a petition with the U.S. International Trade Commission (USITC) under Section 337 of the Tariff Act of 1930. The petition alleges that:
Certain TOPCon solar cells, modules, panels, components thereof, and downstream products containing these items;

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