Antidumping investigation on Steel Grinding Balls from China

Antidumping Investigation on Steel Grinding Balls from China

On September 6th, 2022, the Ministry of Economy published in the Official Gazette of the Federation, the notice of initiation of the antidumping investigation concerning steel grinding balls originating from the People’s Republic of China

Investigated Product

Steel grinding balls, manufactured by hot forming processes, with diameters from 1 to 3.5 inches and from 4 to 6.25 inches of carbon steel, whether or not containing alloys. The commercial name of the product is grinding balls or steel balls.


The chemical composition of the product under investigation is within the following parameters: carbon (from 0.70% to 1%), manganese (from 0.60% to 1.02%), phosphorus (up to 0.035%), sulfur (up to 0. 040%), silicon (from 0.14% to 0.40%), nickel (up to 0.10%), chromium (from 0.35% to 1.05%), molybdenum (from 0.03% to 0.15%), copper (up to 60%), vanadium (from 0.005% to 0.035%), columbium (from 0.010 to 0.035%).

Preliminary Antidumping Determination

On September 27th, 2023, the Ministry of Economy published the Preliminary Determination in the antidumping investigation. On a preliminary basis, the Ministry determined that the imports of steel balls from China were made under dumping conditions and threaten to cause injury to the domestic industry.

However, after an analysis of the situation of the domestic industry and the actual and potential effects of the Chinese imports, the Ministry determined not to impose any provisional antidumping duty. Therefore, the importation of steel balls from China is currently free of countervailing duties.


The domestic producer of steel grinding balls that requested the initiation of the antidumping investigation is Moly-Cop México, S.A. de C.V. 

Mexican Tariff Item

Before December 2020, the investigated product entered through tariff items 7326.11.01, 7326.11.03 and 7326.11.99. At this moment, the investigated product enters through the tariff item 7326.11.03.

Period of Investigation (Dumping)

January 1st, 2021 to December 31st, 2021

Period of Analysis (Injury)

January 1st, 2019 to December 31st, 2021.

Need more information? 

VTZ is a firm specialized in International Trade and Customs and IMMEX with a team with extensive experience in antidumping investigations, contact our members today:



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