On November 25, 2020, the Chilean Commission of Investigation on Price Distortions of Imports announced in the official gazette that the dumping margin of steel grinding balls with diameter less than 4 inches originating in China is a small amount (less than or equal to 2%), so it has decided to terminate the anti-dumping investigation without imposing anti-dumping duties. The Chilean customs tariff code of the products involved was 7326.1110.

On April 27, 2020, the Chilean Commission of Investigation on Price Distortions of Imports announced in the official gazette that, at the application of Chilean enterprises, an anti-dumping investigation was initiated against steel grinding balls with a diameter of less than 4 inches originating in China.