Recently, Jiayuan Technology mentioned on the investor interaction platform that it has made commercial progress in the field of copper foil for solid-state batteries. Currently, its related products have been matched with the supply of five top-tier battery enterprises. According to the introduction, Jiayuan Technology's copper foil products for solid-state batteries can be used not only in new energy vehicles but also in low-altitude economy scenarios. For example, solid-state batteries using its high-temperature-resistant copper foil have been installed on eVTOLs (electric vertical takeoff and landing aircraft) released by top-tier producers for testing.