Final Affirmative Determinations in the Antidumping and Countervailing Duty Investigations of Silicon Metal from Angola, the Lao People's Democratic Republic and Thailand

Final Affirmative Determinations in the Antidumping and Countervailing Duty Investigations of Silicon Metal from Angola, Lao People’s Democratic Republic, and Thailand

On February 18, 2026, the U.S. Department of Commerce (Commerce) announced its final affirmative determinations in the antidumping duty (AD) investigations of silicon metal from Angola and the Lao People’s Democratic Republic (Laos); and countervailing duty (CVD) investigations of silicon metal from Laos and Thailand

Final Dumping Rates

Angola

| Exporter/Producer | Weighted-Average Dumping Margin (percent) |
| --- | --- |
| PC Silicon Co Limited | 68.45* |
| Wanhongda International Limited | 68.45* |
| All Others | 68.45 |
* Rate based on facts available with adverse inferences.

Laos

| Exporter/Producer | Weighted-Average Dumping Margin (percent) |
| --- | --- |
| Lao Silicon Co., Ltd | 94.44* |
| All Others | 94.44 |
* Rate based on facts available with adverse inferences.

Final Subsidy Rates

Laos

| Exporter/Producer | Subsidy Rates (percent) |
| --- | --- |
| Lao Silicon Co., Ltd. | 69.10* |
| All Others | 69.10 |
*Rate based on facts available with adverse inferences.

Thailand

| Exporter/Producer | Subsidy Rates (percent) |
| --- | --- |
| G.S. Energy Co., Ltd. | 31.27* |
| Sica New Materials (Thailand) Co., Ltd. | 31.27* |
| All Others | 31.27 |
*Rate based on facts available with adverse inferences.

Import Statistics

| Angola | 2021 | 2022 | 2023 |
| --- | --- | --- | --- |
| Volume (KG) | 0 | 0 | 1,675,173 |
| Value (USD) | 0 | 0 | $4,151,880 |

| Laos | 2021 | 2022 | 2023 |
| --- | --- | --- | --- |
| Volume (KG) | 600,000 | 3,400,000 | 7,957,738 |
| Value (USD) | $1,809,000 | $8,829,250 | $18,418,739 |

| Thailand | 2021 | 2022 | 2023 |
| --- | --- | --- | --- |
| Volume (KG) | 7,208,679 | 2,036,580 | 2,828,603 |
| Value (USD) | $29,008,896 | $6,888,090 | $7,222,890 |
Source: U.S. Census Bureau, accessed through S&P Global Trade Atlas (Harmonized Tariff Schedule of the United States (HTSUS) subheadings 2804.69.1000 and 2804.69.5000).

Next Steps

• The International Trade Commission (ITC) is running concurrent injury determination investigations. For more information related to the International Trade Commission’s timeline, please refer to the ITC’s calendar.
• The final determinations in the concurrent AD and CVD investigations of silicon metal from Australia and Norway are currently scheduled to be announced on June 25, 2026.

Other Case Information

• The petitioners are Ferroglobe USA, Inc. (Beverly, OH) and Mississippi Silicon LLC (Burnsville, MS).
• For general information and next steps, please refer to a list of FAQs for the final determination.
• Additional case information, including the scope of the investigations, is on file electronically via Enforcement and Compliance’s Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS). Once you log in, please refer to the following case numbers:

| Trading Partner | AD Case Number | CVD Case Number |
| --- | --- | --- |
| Angola | A-762-001 | |
| Laos | A-553-001 | C-553-002 |
| Thailand | | C-549-856 |

• To date, Commerce maintains 808 AD and CVD orders that provide relief to American companies and industries impacted by unfair trade.

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