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Office of Trade Remedy Compliance
Supporting U.S. companies facing foreign antidumping, countervailing duty and safeguard investigations and ensuring foreign governments comply with their international trade obligations

Mexico Issues Preliminary Determination in the Antidumping Duty Investigation of Aluminum Hollow Profiles from the United States and China

Mexico Issues Preliminary Determination in the Antidumping Duty Investigation of Aluminum Hollow Profiles from the United States and China

On December 31, 2025, Mexico’s International Commercial Practices Unit (UPCI) issued a preliminary determination in its ongoing antidumping duty (AD) investigation into aluminum hollow profiles from the United States and China. The provisional rates assigned to U.S. producers/exporters can be found here.  

KEY DATES
Comment DeadlineJanuary 29, 2026
Final Determination*No later than April 30, 2026

*Estimated

The products subject to this investigation are hollow profiles made of alloyed or non-alloyed aluminum, of any size, shape or figure, with finishes (for example, painted or anodized) or without finishes, primarily used in architecture and in the production of various structures, including windows and doors. The merchandise under investigation is currently classified under Harmonized System (HS) code: 7604.21.01.  

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The U.S. Department of Commerce’s Office of Trade Remedy Compliance supports U.S. companies facing foreign trade remedy proceedings (antidumping duty, countervailing duty, and safeguard actions) and ensures foreign governments comply with their international trade obligations. Should you have any questions, please contact TRCS@trade.gov. For more information, visit Office of Trade Remedy Compliance. 

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Global Business Navigator Chatbot Beta

Welcome to the Global Business Navigator, an artificial intelligence (AI) Chatbot from the International Trade Administration (ITA). This tool, currently in beta version testing, is designed to provide general information on the exporting process and the resources available to assist new and experienced U.S. exporters. The Chatbot, developed using Microsoft’s Azure AI services, is trained on ITA’s export-related content and aims to quickly get users the information they need. The Chatbot is intended to make the benefits of exporting more accessible by understanding non-expert language, idiomatic expressions, and foreign languages.

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As a beta product, the Chatbot is currently being tested and its responses may occasionally produce inaccurate or incomplete information. The Chatbot is trained to decline out of scope or inappropriate requests. The Chatbot’s knowledge is limited to the public information on the Export Solutions web pages of Trade.gov, which covers a wide range of topics on exporting. While it cannot provide responses specific to a company’s product or a specific foreign market, its reference pages will guide you to other relevant government resources and market research. Always double-check the Chatbot’s responses using the provided references or by visiting the Export Solutions web pages on Trade.gov. Do not use its responses as legal or professional advice. Inaccurate advice from the Chatbot would not be a defense to violating any export rules or regulations.

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Translation

The Chatbot supports a wide range of languages. Because the Chatbot is trained in English and responses are translated, you should verify the translation. For example, the Chatbot may have difficulty with acronyms, abbreviations, and nuances in a language other than English.

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