AD+CVD ORDERS China A-570-145 (AD)C-570-146 (CVD)

U.S. Antidumping and Countervailing Duties on Certain Freight Rail Couplers and Parts Thereof from China (A-570-145, C-570-146)

This is an educational summary — NOT a scope determination or filing advice. It does not decide whether your specific goods are covered. Always verify against the latest U.S. Commerce and CBP instructions.

Certain freight rail couplers and parts thereof from China may be affected by both a U.S. antidumping order (A-570-145) and a countervailing duty order (C-570-146).

Case snapshot

Product	Certain Freight Rail Couplers and Parts Thereof
Country	China
Case type	AD+CVD
Case number(s)	A-570-145 (AD) · C-570-146 (CVD)
Status	Active / continued
Scope control	Commerce written scope language
HTS role	Reference / screening only
Rate note	Varies by exporter/producer and administrative review

Key dates

A-570-145 (AD)	Federal Register: 2026-07 FR notice 2026-13341 (Opportunity to Request Review)
C-570-146 (CVD)	Federal Register: 2026-07 FR notice 2026-13341 (Opportunity to Request Review)
Status as of	Active — 2026-07-03
Expiration	No fixed expiration date. AD/CVD orders remain in place subject to five-year sunset reviews, and stay active unless revoked after Commerce/ITC review or other Commerce action.
Last checked by ETDETA	2026-07-03

Effective/entry-specific deposit and liquidation treatment depends on Commerce and CBP instructions, not only the publication date.

The U.S. Department of Commerce maintains both an antidumping (AD) order (A-570-145) and a countervailing duty (CVD) order (C-570-146) on certain freight rail couplers and parts thereof from China. Importers of these goods from China may be subject to AD and/or CVD cash-deposit requirements at entry and should verify scope and current rates before filing.

Scope — simplified screening examples, not full legal scope

The official written scope controls. The examples below are screening references only.

Products that may be covered (examples)

•May include freight rail couplers used to connect railcars
•May include coupler bodies for freight rail applications
•May include knuckles for freight rail couplers
•May include coupler yokes
•May include coupler locks and related internal coupling parts
•May include unfinished or unassembled coupler parts intended for freight rail use
•May include castings dedicated to freight rail coupler production

Products that may require separate review or may fall outside this order

?Couplers designed for passenger rail or transit applications may fall outside the order (verify)
?General industrial castings not dedicated to freight rail couplers may be outside scope (verify)
?Complete railcars or locomotives may be outside this coupler order (verify)
?Non-rail coupling hardware for unrelated equipment may be outside scope (verify)
?Products from countries other than China are not covered by these China cases (separate orders may exist)

Scope control: HTS codes are screening references only; Commerce's written scope language controls whether a product is covered, and parts, unfinished, or unassembled couplers may still fall within scope depending on that written scope.

Who it affects

This typically matters for importers of freight rail couplers, coupler bodies, knuckles, yokes, locks, and dedicated coupler parts of Chinese origin, or goods that may be of Chinese origin through processing elsewhere.

What the duty means

Subject entries typically require an AD cash deposit and, because a CVD order also exists, potentially a separate CVD cash deposit at the time of entry; rates vary by exporter/producer and administrative review and can be high. A 0% deposit rate is NOT an exemption — the order still applies and the merchandise must still be declared.

Importer checklist — how to assess your risk

☐Gather the commercial invoice and confirm the exact product description matches the physical goods.
☐Collect product photos, spec sheets, and engineering drawings showing the item's function and application.
☐Document material composition and whether the part is dedicated to freight rail coupler use.
☐Confirm the intended use (freight rail versus other applications) and record supporting evidence.
☐Assemble country-of-origin support, including manufacturing and processing records.
☐Identify the specific manufacturer and exporter names and confirm the exact producer/exporter combination.
☐Determine the tentative HTS classification for screening, understanding it does not decide scope.
☐Consult a licensed customs broker or trade counsel to confirm scope against Commerce's written language — do not rely only on supplier statements.
☐Verify the applicable cash-deposit rate against current Commerce results and CBP AD/CVD messages before filing.

Risks to watch

⚠Circumvention or transshipment findings if Chinese-origin couplers are routed or lightly processed through third countries.
⚠Scope inquiries where a product's coverage under A-570-145 or C-570-146 is uncertain.
⚠Applying the wrong exporter/producer combination and therefore the wrong deposit rate.
⚠Misdeclaration of origin, description, or value leading to penalties and retroactive duty assessment.

The same product may be subject to trade remedies from more than one origin — related activity involving Mexico has been noted — so importers should independently review each country of origin without engaging in any evasion.

FAQ

Is there antidumping duty on freight rail couplers from China?

There is an antidumping duty order (A-570-145) on certain freight rail couplers and parts thereof from China, and a separate countervailing duty order (C-570-146) also exists. Whether your specific goods are covered depends on Commerce's written scope, so importers should verify before entry.

Does a 0% deposit rate mean no duty?

No. A 0% cash-deposit rate is not an exemption. The order still applies, the merchandise must still be declared as subject, and rates can change through administrative review, so importers should verify current rates before filing.

Are parts or unassembled freight rail couplers covered?

They may still be covered depending on Commerce's written scope, which can reach parts and unfinished or unassembled items. Importers should confirm scope with a licensed broker rather than assuming exclusion.

Possible risk

Risk signal: Higher concern if the goods are freight rail couplers or dedicated coupler parts of Chinese origin; a separate review is needed for parts, castings, unfinished or unassembled items, repackaged goods, and any third-country processing. This does not state the goods are covered.

Bottom line: Freight rail couplers and parts from China may be covered by A-570-145 (AD) and C-570-146 (CVD); confirm scope, origin, exporter/producer identity, and current deposit rates before entry.

Not a scope determination or filing advice — confirm coverage and current deposit rates with a licensed customs broker and the latest Commerce/CBP instructions before entry.

Official sources

These links are for source verification. Confirm the latest applicable rate and instructions with Commerce/CBP before entry.

· Federal Register notice (2026-07 FR notice 2026-13341 (Opportunity to Request Review))
· Commerce ACCESS — AD/CVD proceedings & scope rulings
· CBP ACE AD/CVD case search & messages
· USITC sunset/injury reviews
HTS codes are provided for reference/screening only.

Search all AD/CVD orders

Filter by country & product

Estimate your landed cost

Base duty + Section 301/232 + fees

Educational summary of a public U.S. Department of Commerce AD/CVD order — not legal advice, a customs broker opinion, or a scope determination. Whether specific goods fall within an order's scope must be confirmed with a licensed customs broker and the latest Commerce/CBP notices.

Last updated: 2026-07-07