On October 4, 2018, the Mexican Ministry of Economic Affairs issued an announcement in the official daily newspaper to make an affirmative final ruling on the fine welding wire originating from China, and decided to impose an anti-dumping duty of 0.57 US dollars/kg on the products involved. The TIGIE tax numbers for the products involved are 7229.20.01, 7229.90.99 and 8311.90.01. The resolution takes effect from the day following the release.

On August 10, 2017, the Mexican Ministry of Economic Affairs issued a notice to start the fine wire welding originating in China at the request of the Mexican companies Electrodos Infra, SA deC.V., Lincoln Electric Manufactura, SA de CV and Plásticos yAlambres, SA de CV. Anti-dumping investigation. On March 9, 2018, the Mexican Ministry of Economic Affairs issued an announcement in the official daily newspaper to make an anti-dumping affirmative preliminary ruling on the products involved, and initially imposed a temporary anti-dumping duty of 0.54 US dollars/kg on products involved in China. The dumping investigation period of this case is from October 1, 2015 to September 30, 2016, and the damage analysis period is from October 1, 2013 to September 30, 2016.