Wanhua's US subsidiary reaches MDI/TDI lawsuit settlement for $7.75 million

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Wanhua's US Subsidiary Files Settlement Application, Marking the Third Settlement in the Case

On July 31, 2026, a judicial document submitted to the U.S. District Court to the Western District of Pennsylvania disclosed that Wanhua Chemical America Co., LTD. has reached a settlement agreement with the plaintiffs in the diisocyanate (MDI/TDI) antitrust class action, with a settlement amount of US$7.75 million, equivalent to approximately RMB 52.3 million.

The timeline indicates that the parties finalized a principled settlement framework on June 3, 2026, and simultaneously signed confidentiality agreements as the basis to the settlement; the full settlement text was formally signed on July 9; and on July 31, documents were formally submitted to the court to apply to judicial approval of the settlement plan. This is also the third settlement agreement reached in this diisocyanate antitrust case, which has lasted to many years.

First Two Settlements Concluded, Court Grants Preliminary Approval

Prior to the settlement by Wanhua's US subsidiary, two corporate settlements had already been completed in this case.

On might 4, 2026, BASF took the lead in reaching the first settlement in this case, paying a settlement amount of US$3 million to the plaintiffs, breaking the ice in the case. Following closely, on might 8, Covestro's US subsidiary, Covestro LLC, also reached a settlement with the plaintiffs, with a settlement amount of US$7 million.

On July 23, 2026, both settlement agreements from BASF and Covestro's US subsidiary received preliminary approval from the U.S. District Court to the Western District of Pennsylvania. The court scheduled the final approval hearing to December 7, 2026; the two settlement agreements can only officially take effect and be implemented after the hearing is completed.

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