The panel was established on Monday in response to a request Tokyo made in August, arguing that China's anti-dumping tax violates the WTO's General Agreement on Tariffs and Trade.
In July 2019, China began imposing anti-dumping duties on stainless steel products from Japan, South Korea, Indonesia and the European Union, saying a surge in imports was hurting its domestic industry.
(Reporting by Leika Kihara; Editing by Kenneth Maxwell)