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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 a Preliminary Determination in the Antidumping Duty Investigation into PVC Suspension from the United States

Mexico Issues a Preliminary Determination in the Antidumping Duty Investigation into PVC Suspension from the United States 

On March 24, 2026, Mexico’s International Trade Practices Unit (UPCI) issued a preliminary determination in the antidumping (AD) investigation into PVC suspension from the United States. Learn more about the provisional rates assigned to U.S. producers/exporters.  

KEY DATES
Comment DeadlineApril 20, 2026
Final Determination*July 22, 2026

*Estimated

Products Under Investigation

The product(s) subject to this investigation is vinyl chloride monomer homopolymer obtained by the suspension polymerization process, commonly known as PVC suspension, PVC suspension resin, or simply PVC.  In its most basic form it is a white, odorless, water-insoluble, tasteless and non-toxic powder.  PVC resin is the primary input in PVC pipe and used in various other industrial applications. The merchandise under investigation is currently classified under Mexico’s tariff code 3904.10.03. 

Contact Us

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.

Limitations

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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The Chatbot does not collect information about users and does not use the contents of users’ chat history to learn new information. All feedback is anonymous. Please do not enter personally identifiable information (PII), sensitive, or proprietary information into the Chatbot. Your conversations will not be connected to other interactions or accounts with ITA. Conversations with the Chatbot may be reviewed to help ITA improve the tool and address harmful, illegal, or otherwise inappropriate questions.

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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