On January 20, 2026 (local time), the U.S. Department of Commerce and the U.S. International Trade Commission released multiple trade remedy investigation outcomes, targeting Chinese exports of packaging materials, building products, chemicals, and pharmaceutical excipients. Several final and preliminary determinations set anti-dumping and countervailing duties at historically high levels, significantly increasing pressure on Chinese exporters.
Key Cases and Record-High Duty Rates
Polypropylene Corrugated Boxes
Final determination: Chinese products face simultaneous anti-dumping and countervailing duties.
- Anti-dumping duty: 83.64% (adjusted cash deposit rate: 82.21%)
- Countervailing duty: 62.27%
- Combined rate: 145.91%
HS code: 3923.10.9000
2024 U.S. import value from China: approximately $150 million.
Glass Fiber Door Panels
Preliminary anti-dumping determination: duty margins range from 38.78% to 147.85% for Chinese firms.
Preliminary countervailing duty (2025): 59.17% to 921.42%.
Combined maximum rate: 1069.27%—among the highest ever recorded in U.S. trade remedy cases.
HS code: 3925.20.0010
2024 U.S. import value from China: approximately $150 million.
Hardwood and Decorative Plywood (China, Indonesia, Vietnam)
Preliminary countervailing duties:
- China: uniform 81.34%
- Indonesia: 2.40% to 128.66%
- Vietnam: 4.37% to 26.75%
2024 U.S. import value from China: approximately $52.92 million (significantly lower than Indonesia and Vietnam volumes).
L-Lysine (Chemical & Pharmaceutical Excipient)
Preliminary affirmative countervailing determination: duty rates 39.50% to 80.37%.
HS code: 2922.41.0090
2024 U.S. import value from China: approximately $95.95 million.
Hard Hollow Gelatin Capsules (China, India, Vietnam)
ITC affirmative injury finding → Commerce imposes anti-dumping and countervailing measures.
- Anti-dumping: 0% to 18.71%
- Countervailing: 3.14% to 8.81%
- Combined maximum: 25.61% (plus any additional tariffs)
HS codes: 9602.00.1040 and 9602.00.5010
2023 U.S. import value from China: approximately $43.60 million.
Overall Impact and Outlook
The recent wave of double remedies (anti-dumping + countervailing duties) reflects an accelerating and broadening U.S. trade enforcement strategy. Duty levels are trending sharply upward, severely compressing profit margins and amplifying policy uncertainty for exporters.
High combined rates—especially the 1069.27% peak—create immediate challenges: short-term pricing volatility, fulfillment risks, and heightened exposure for companies heavily reliant on the U.S. market. Firms must now urgently reassess product compliance, supply chain resilience, and market diversification strategies.
For more on related products, visit Surfactants. Questions? Contact us. In summary, the latest US tariffs on China—with combined rates reaching historic highs such as 1069.27%—signal intensified trade pressure and require proactive compliance and strategic adaptation from exporters.
