Builders' joinery and carpentry of bamboo, including cellular wood panels, not elsewhere specified

US trade by year

US imports were $22.5M in the 12 months to Aug 2026, down 89% on the 12 months to Aug 2018. US exports were $1.5M, down 52%. In January 2022 the HS 2022 revision moved some goods between this code and 4418.81, 4418.82, 4418.83 and 1 more, so part of a change across the dashed line can be the revision. This code began with the HS 2017 revision in January 2017, taking goods from 4418.90, so its history starts there. 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.

• Canada
• Mexico
• China
• Italy
• All countries

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Average prices aren't shown because this product's lines are counted in different units.

The 3 largest suppliers had 91.4% of US imports over the last 12 months.

How the market is shifting

Mexico gained the most share: 39.0% of US imports over the last 12 months, up from 23.8% in the 12 months before. China lost the most: 12.0%, down from 29.9%. 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.

• Canada
• Mexico
• China
• Italy
• 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. January 2026 · Duty paid: China 57.4% → 40.8%.
2. April 2025 · Duty paid: China 23.3% → 53.1%.
3. July 2019 · Duty paid: China 13.5% → 27.2%, all countries 10.5% → 19.7%.
4. October 2018 · Duty paid: China 3.3% → 13.2%, all countries 2.6% → 9.7%.
   • Request for Comments Concerning Proposed Modification of Action Pursuant to Section 301: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and InnovationJul 17, 2018 · Office of the US Trade Representative

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 4418.91

• Wood Mouldings and Millwork Products From the People's Republic of China: Continuation of Antidumping Duty Order and Countervailing Duty OrderJun 30, 2026 · International Trade Administration

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; 101 have reported 2025 so far.

The biggest market outside the US is France, which imported $22.3M of this product in 2025, none of it from the US.

Of these, imports into Denmark grew fastest: up 17% from 2024 to 2025.

Related products

Other products under heading 4418: builders' joinery and carpentry of wood, including cellular wood panels, assembled parquet panels, shingles and shakes. US trade over the 12 months to August 2026.