EU Investigation into Copper Tubes from China, Uzbekistan, Vietnam, Mexico
Summary
The European Commission has initiated an investigation into copper tubes originating from China, Uzbekistan, Vietnam, and Mexico. The investigation aims to determine if these imports are being dumped or subsidized, potentially leading to provisional measures by November 2026.
What changed
The European Commission has launched an initial investigation (Case AD750) into copper tubes imported from the People's Republic of China, Uzbekistan, Vietnam, and Mexico. This investigation, initiated on March 11, 2026, will assess whether these imports are being dumped or subsidized, which could lead to the imposition of provisional duties. The investigation includes a timeframe for verification visits, pre-disclosure of findings, and provisional measures, with a deadline for provisional measures set for November 12, 2026.
Interested parties, including importers and exporting producers, must adhere to the timelines provided for submitting comments and questionnaires. The legally binding deadlines are those set out in the basic regulations and the notice of initiation. Failure to comply with these deadlines or provide accurate information could result in measures being imposed based on available data, potentially impacting trade flows and costs for businesses involved in the copper tube supply chain within the EU.
What to do next
- Review the Notice of Initiation and associated questionnaires for copper tubes.
- Submit questionnaire replies and any relevant comments by the specified deadlines.
- Monitor case developments, particularly regarding provisional measures and definitive measures.
Penalties
Provisional measures may be imposed by 12 November 2026, with a maximum duration of 6 months for anti-dumping and 4 months for anti-subsidy cases. Definitive measures may be imposed by 11 May 2027.
Source document (simplified)
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Investigations
Case AD750 - Copper tubes Type: Initial Investigation
Countries investigated: People's Republic of China, Uzbekistan, Vietnam, Mexico
History of proceeding
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Timeframe and key steps
This is an indicative timetable for interested parties.
Only the time limits and deadlines set out in the basic regulations and notices of initiation are legally binding.
Initiation stage
| Date of initiation | Time period envisaged for verification visits 1 |
| --- | --- |
| 11 March 2026
- Other languages | 27 May 2026
10 July 2026 |
Provisional stage
| Pre-disclosure 2 | Provisional Measures 3 | Return comments on disclosure / provisional measures 4 |
| --- | --- | --- |
| 14 October 2026 | 12 November 2026 | 26 November 2026 |
Definitive stage
| Return comments on final disclosure 5 | Definitive Measures 6 |
| --- | --- |
| 02 November 2026 | 11 May 2027 |
Contacts
Interested parties intending to make submissions or send correspondence to the Commission should follow the instructions given in the Notice of Initiation below
Publications
- Initiation (Other languages)
- Sampling form exporting producers
- Information on inputs for exporting producers
- Questionnaire for importers
- Questionnaire for users
- Questionnaire for the Union producers
- Questionnaire for the exporting producers - Vietnam
- Questionnaire for the exporting producers - China
- Questionnaire for the exporting producers - Mexico
- Questionnaire for the exporting producers - Uzbekistan
- Executive Summary
- The Commission may carry out visits between the above stated dates to verify the questionnaire replies and other information submitted by the interested parties. ¶
- The Commission will provide information on the planned imposition of provisional duties within the deadline indicated by Section 6 of the Notice of Initiation. Interested parties will be given 3 working days to comment in writing on the accuracy of the calculations. In cases where the Commission intends not to impose provisional duties, it will inform the interested parties within the deadline indicated by Section 6 of the Notice of Initiation. ¶
- Latest date for entry into force of provisional measures (8 months from initiation in anti-dumping cases and 9 months from initiation in anti-subsidy cases). If imposed, these measures have a maximum duration of 6 months in the case of an anti-dumping investigation and 4 months in the case of an anti-subsidy investigation. Interested parties can submit comments on provisional measures. Interested parties who have co-operated in the proceedings can submit comments to the disclosure letter following its transmission to them. ¶
- Latest date for interested parties to submit comments on provisional measures or disclosure letter. ¶
- Latest date for parties which have co-operated in the proceedings to submit comments on the final disclosure letter following its transmission to them. ¶
- Latest date to publish the imposition of definitive measures or the termination of the proceedings in the Official Journal of the European Union in the case of initial investigations. Measures will normally be imposed for a period of five years with the possibility to request a review of the measures at the earliest one year after imposition. In the case of other types of investigations (e.g. reviews), this is an indicative date for the conclusion of the investigation. ¶ Last update: 17 Mar 2026
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