Group 1: Industry Overview - The CIBF 2025 exhibition in Shenzhen attracted over 400,000 visitors, indicating strong interest in the lithium battery industry despite ongoing adjustments [1] - Companies are competing fiercely in the solid-state battery sector, which is considered a key battleground in the lithium battery industry [1][2] - The industry consensus is that semi-solid batteries are ready for mass production, while full solid-state battery production is expected to be realized by 2027 [1] Group 2: Company Developments - XINWANDA (300207.SZ) launched the "XIN YUNXIAO 2.0" aviation power battery with an energy density of ≥360Wh/kg, utilizing "soft solid-state" technology [2][4] - Guoxuan High-Tech (002074) showcased the GY准 solid-state battery with an energy density of 300Wh/kg, which is entering pre-production [4] - BETTERRY (835185.BJ) presented various battery material solutions, including the BE安方案 for solid-state battery systems, with new silicon-carbon anode materials validated by customers [7] Group 3: Material Advancements - The upstream materials for solid-state batteries are becoming increasingly mature, with some semi-solid battery materials already in mass production [6][8] - Star Source Materials (300568.SZ) achieved significant progress in solid electrolyte membranes, with oxide electrolytes entering mass production [8] - BETTERRY's new silicon-carbon anode materials are set to be validated for solid-state battery applications in 2024 [7]