From August 28th to 29th, the 2025 Smart Car Basic Software Ecosystem Conference and the 4th China Automotive Chip Conference were grandly held at the Yuzhou Hotel in Chongqing. Industry experts from FAW, Chongqing Changan, Dongfeng Motor, Chery Automobile, the Open Atom Foundation, Puhua Basic Software, Infineon, Xiaohua Semiconductor, the University of Electronic Science and Technology of China, the AUTOSAR Organization, and TASKING engaged in in-depth discussions on key topics such as the deepening application of open source co-construction models, business models and ecosystem sustainability, and standards systems and industrial ecosystem coordination mechanisms. The conference brought together over 500 experts, scholars, and business representatives from government, industry, academia, research, and application fields. Concurrently, the 4th China Automotive Chip Conference, the Open Atom Open Source Foundation Campus Tour (Chongqing), and the Ecosystem Exhibition Zone were held, further promoting the deep integration of the automotive industry with the chip and open source ecosystems, adding strong impetus to the high-quality development of the automotive industry.