Gelonghui October 22nd | King Crown Electric (688517.SH) stated on the investor interaction platform that ceramic substrates and copper-clad ceramic substrates are mainly used for new energy, IGBTs for high-power semiconductors such as insulated gate bipolar transistors (igbt) used in electric locomotives. The key component resistance sheet of the company's core product arrester is manufactured using advanced electronic ceramic technology, with outstanding performance, featuring low residual voltage, high energy absorption, and excellent aging performance. Based on this, the company further develops advanced ceramics in the field of semiconductors.