Official-source tariff data · 2026 HTS Rev 19 · synced · Operational
SkuWatch tariff intelligence
AD/CVD measure · effective 1991-06-10

Silicon Metal — China — A-570-806

ITA AD/CVD · Final action · CN

Plain-language explainer

Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.

“Silicon Metal” is the product name used for a U.S. trade measure involving antidumping (AD) and countervailing duties (CVD). These are additional import charges that may apply when the product is covered by the legal scope of the measure, based on its characteristics and country of origin—not simply because a shipment is described as silicon metal on an invoice.

AD duties address alleged sales at less than fair value, while CVD duties address benefits that a foreign government provides to producers or exporters. The measure typically affects U.S. importers, foreign producers and exporters, and sometimes related parties involved in selling or supplying covered silicon metal. It matters because the importer of record may be responsible for declaring the merchandise correctly, paying any applicable duties, and providing information needed for final duty assessment. Classification under the Harmonized Tariff Schedule (HTSUS) and the measure’s written scope must be reviewed together; a customs broker or trade attorney may be needed for difficult scope questions.

What to check

Basis AD/CVD
Origin China
Current legal effect Final action
Lifecycle Final adopted
Effective date 1991-06-10
Last verified 2026-09-22

Legal basis

ADCVD

Open official source

Identity & verification

This record is identified by official case A-570-806 and origin China. Collected 2026-09-22. Last confirmed in the official ITA data on 2026-09-22.

Affected HTS entries

No explicit linked HTS code list is available in this snapshot record.

Catalog and API planning

Tell us what you want to build.

The SkuWatch API is not publicly available yet. Share the workflow, catalog, or product experience you want to power so we can prioritize useful future access.

10–4,000 characters. Please do not include passwords, payment details, or confidential product data.

The security check loads only when this form is opened.

By submitting, you agree that SkuWatch may store these details and contact you about this API use case. We do not sell this information. See our privacy notice.