On October 28, 2024, the US Department of Commerce (DOC) officially initiated anti-dumping (AD) and countervailing duty (CVD) investigations into fiber-cast products imported from Vietnam.

I. Relevant Information

1. Date of initiation of investigation: October 28, 2024

2. Item under investigation: Thermoformed Molded Fiber Products have HS codes: 4823.70.0020, 4823.70.0040, 4823.61.0020, 4823.61.0040, 4823.69.0020, 4823.69.0040, 4823.90.1000.

3. Preliminary Conclusion:

On 21/11/2024, the United States International Trade Commission (USITC) made preliminary conclusion affirming injury due to dumping and subsidization.

The U.S. Department of Commerce (DOC) has issued a preliminary finding, setting preliminary anti-dumping duties (after adjustment for countervailing duties) from 0.76% to 211.60%.

Meanwhile, preliminary anti-dumping duties for Chinese companies (also investigated for this product) range from 47.44% to 477.97%.

4. Final determinations:

On September 26, 2025, the US DOC issued its final determinations in anti-dumping and countervailing duty investigations into those products from Việt Nam and China, nearly a year after the probe was launched: 

- Anti-dumping duties for Vietnam: from 1.38% to 212.27%

- Countervailing duties for Vietnam: from 5.06% to 200.7%

II. Case calendar

The case documents are attached below: