Announcement
24 Feb 2020
In February 2020, the United States initiated an anti-dumping investigation on imports of difluoromethane (R-32) from China. The investigation is still in progress. In August 2020, a provisional duty was imposed. The investigation is still in progress. In March 2021, a definitive duty was imposed. In February 2026, a sunset review was initiated.
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Number of interventions
1
1 certainly harmful
0 likely harmful
0 liberalising
List of interventions
Implementation date
27 Aug 2020
Revocation date:
No revocation date
Updated: 02 Feb 2026
Anti-dumping
In force
Recent update from 02 Feb 2026:
On 2 February 2026, the United States announced the initiation of a sunset review of the definitive duty imposed on imports of the subject good from China (Case No. A-570-121). The notice does not ...
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