Mining News -This anti-dumping case originate from September 2010. The European Union initiated the investigation on the products involved and released the final determination in December 2011 with the anti-dumping duty rate of 48.3-71.9%.

The anti-dumping case was due in December 2016, and the European Union raised an reviewing investigation. The determination of the anti-dumping duty was announced on March 6th to extend it for another 5 years.