[SMM News Flash: National Standard for Transformer Energy Efficiency Updated, How Much Will It Impact Oriented Silicon Steel?] On April 29th this year, the national standard for power transformers GB20052-2024 "Limited Values and Efficiency Grades of Energy Efficiency for Power Transformers" was officially released and will be implemented on February 1st, 2025. The transformer industry is a major downstream consumer of oriented silicon steel. With the improvement of the energy efficiency standards for new energy transformers, the grades of silicon steel used in transformer cores will also be upgraded.