Particle accelerators

US trade by year

US imports were $57.2M in the 12 months to Aug 2026, up 112% on the 12 months to Aug 2017. US exports were $37.8M, down 11%. In January 2022 the HS 2022 revision moved some goods between this code and 8524.11, 8524.12, 8524.19 and 12 more, so part of a change across the dashed line can be the revision. In January 2017 the HS 2017 revision moved some goods between this code and 8542.31, 8542.32, 8542.33 and 1 more, so part of a change across the dashed line can be the revision. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Belgium
• Sweden
• Canada
• China
• All countries

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

The 3 largest suppliers had 76.3% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

• Price
• Freight and insurance
• Duty

Landed at a US port, China was cheapest, at $22,186 each: 49.9% below France.

Landed cost from China rose 994% on a year earlier, to $22,186 each, mostly on price: $1,279 each then, $16,055 each now.

How the market is shifting

Sweden gained the most share: 20.8% of US imports over the last 12 months, up from 9.5% in the 12 months before. Belgium lost the most: 36.3%, down from 55.9%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

• Belgium
• Sweden
• Canada
• China
• All countries

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

1. June 2026 · Duty paid: all countries 14.1% → 2.9%.
2. March 2026 · Duty paid: China 48.8% → 37.2%.
3. October–December 2025 · Duty paid: China 56.8% → 48.9%, all countries 28.1% → 13.3%.
4. March–May 2025 · Duty paid: China 28.8% → 58.7%, all countries 6.7% → 25.0%.
5. June 2024 · Duty paid: China 4.3% → 25.8%.
6. January 2022 · Duty paid: China 10.0% → 3.3%. This is around the January 2022 HS revision, which moved goods in or out of this code.
7. November 2020 · Duty paid: China 2.7% → 8.9%.

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 102 have reported 2025 so far. Where a country's figure for imports from the US is under half or over double what the US recorded exporting there that year, the US figure is shown under it.

The biggest market outside the US is China, which imported $71.1M of this product in 2025, 25.1% of that from the US by its own count; the US records $6.7M of exports there.

Of these, imports into Switzerland grew fastest: up 442% from 2024 to 2025.

Related products

Other products under heading 8543: electrical machines and apparatus, having individual functions, not elsewhere specified; parts thereof. US trade over the 12 months to August 2026.