Vacuum pumps

US adds anti-dumping duties on air compressors from China, Malaysia, Vietnam

The US International Trade Commission issued final anti-dumping determinations on air compressors imported from China, Malaysia, and Vietnam, effective June 18, 2026. Shippers exporting these products to the US must now comply with additional anti-dumping duties on top of baseline tariffs. The determinations follow investigation into alleged below-cost selling practices in these three countries.

ITC investigates NAND/DRAM chip patent infringement claims

MonolithIC 3D Inc. filed a Section 337 complaint with the U.S. International Trade Commission on May 11, 2026, alleging that imported NAND and DRAM memory chips and products containing them infringe five U.S. patents (Nos. 12,250,830; 12,362,330; 12,400,961; 12,464,734; and 12,564,006). The ITC has instituted an investigation. If the allegations are upheld, the Commission could issue a limited exclusion order blocking imports of infringing products and cease-and-desist orders against U.S. sellers.

US anti-dumping duty on Japanese lattice boom crawler cranes

The U.S. Department of Commerce has issued a final affirmative determination that lattice boom crawler cranes from Japan are being sold in the United States at less than fair value (LTFV), covering the period April 1, 2024 through March 31, 2025. This triggers anti-dumping duties on imports of these cranes. Importers and freight forwarders handling Japanese crawler cranes must immediately verify HS classification, supplier pricing, and potential duty exposure to ensure compliance with the new trade remedy.

US maintains anti-dumping duties on Chinese vertical shaft engines

The U.S. Department of Commerce has determined that revoking the anti-dumping duty order on certain large vertical shaft engines (225cc–999cc) and parts from China would likely lead to continued or renewed dumping. Commerce conducted an expedited first sunset review and decided to keep the existing duties in place. This affects importers of these engines and related components sourced from Chinese manufacturers.

US extends countervailing duties on Chinese vertical shaft engines

The U.S. Department of Commerce has issued final results of an expedited first sunset review, determining that revoking the countervailing duty (CVD) order on certain large vertical shaft engines (225–999cc) and parts from China would likely lead to continuation or recurrence of countervailable subsidies. The duty order remains in effect.