Herbert Diess, CEO of the Volkswagen Group, said that the Volkswagen Group plans to build its own factory in Europe to produce its own solid-state batteries, and is expected to start mass production between 2024 and 2025. Dependence of battery and other related business segments on external battery manufacturers. A few days ago, relevant foreign media reported that after the group's second-quarter results were announced, Herbert Diess, CEO of Volkswagen Group, said that the Volkswagen Group plans to build it