New Antidumping Duty Orders Issued on Silicon Metal Imports from Angola and Laos
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The U.S. Department of Commerce has announced new antidumping duty orders on silicon metal imports from Angola and the Lao People’s Democratic Republic (Laos). These measures are set to apply starting April 16, 2026.
The antidumping duty orders follow investigations by the U.S. Department of Commerce and the U.S. International Trade Commission (ITC). Both bodies concluded that silicon metal from these countries is being sold in the U.S. at less than fair value. This practice is harmful to U.S. industries.
The investigations found that imports from Angola and Laos have injured U.S. industries. This finding is based on sections 735(b)(1)(A)(i) and 735(d) of the Tariff Act of 1930. The Department of Commerce published its final determination on February 23, 2026. The ITC concluded its final determination on April 6, 2026.
The silicon metal covered by these orders contains at least 85% but less than 99.99% silicon. It also has less than 4% iron by weight. Semiconductor grade silicon with 99.99% or more silicon is excluded from these orders.
The U.S. Customs and Border Protection will now assess duties on these imports from Angola and Laos. These duties are based on the difference between the normal value of the silicon metal and its export price.
Suspension of liquidation and cash deposit requirements will resume with the ITC’s final injury determination. Importers will need to submit cash deposits when bringing in silicon metal from these countries.
Angola’s PC Silicon Co. Limited and Wanhongda International Limited are affected. They have a dumping margin of 68.45%. In Laos, Lao Silicon Co., Ltd has a dumping margin of 94.44%.
The duty order includes an annual inquiry service list, which interested parties can join. This list will help them with future inquiries or applications related to these orders.
These actions are part of efforts to protect U.S. industries from unfair trade practices. They ensure that all imported goods compete fairly in the U.S. market.
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