Sou Hu Cai Jing·2026-02-09 08:49Group 1 - The core focus of the articles is on Xiaomi's breakthrough in developing 2200MPa ultra-high-strength steel, which has been recognized as a key material for the new energy vehicle industry in China, supported by national strategy [1][3] - The collaboration involves Xiaomi, Northeast University, and Yucaitang, and the steel has achieved mass production and is included in China's "14th Five-Year" to "15th Five-Year" new materials industry strategy [1] - The steel exhibits significant performance improvements, with a 40% increase in tensile strength and a 24% increase in yield strength compared to the mainstream 1500MPa steel, and a 70.5% increase in load-bearing capacity for the A/B pillars in the YU7 model [3] Group 2 - The development of this steel marks a shift in China's manufacturing capabilities, moving from merely being able to produce materials to confidently surpassing international standards [3] - The technology, previously dominated by foreign giants like ArcelorMittal, has been developed using AI to screen 24.43 million formulas, indicating a significant advancement in independent research and development [3] - The article raises the question of whether this material revolution can truly end the era of reliance on imports in the steel industry [3]