China to levy anti-dumping duties on rubber from Japan, Canada

China’s Ministry of Commerce has announced preliminary anti-dumping measures targeting halogenated butyl rubber imports from Canada and Japan, imposing security deposit rates of up to 40.5% effective August 14, 2025. The investigations, initiated on September 14, 2024, concluded that these imports were sold below fair value, causing material injury to China’s domestic industry. However, probes into similar imports from India were terminated due to their negligible market share.

The affected product, used in tire linings, medical stoppers, and sealing materials, faces heightened import costs under China’s anti-dumping regulations. Concurrently, the ministry also imposed provisional anti-dumping duties on Canadian rapeseed imports, requiring a 75.8% deposit rate starting August 16, 2025, citing dumping practices and harm to domestic sectors.

A ministry spokesperson emphasized that the rulings adhered to principles of fairness, transparency, and WTO compliance, with preliminary evidence confirming dumping and causal injury to local industries. These measures align with China’s broader use of trade remedies to protect domestic producers, though their long-term economic impacts remain subject to further review and potential adjustments during the final investigation phase.

For investors, the rulings signal heightened trade tensions with Canada and Japan in specific commodity markets, potentially affecting supply chains and pricing dynamics in downstream industries reliant on halogenated butyl rubber and rapeseed.