Group 1 - The 21st China (Changsha) International Auto Expo opened on December 10, 2023, at the Changsha International Convention and Exhibition Center, attended by notable figures from the China Automobile Industry Association and local government [1] - The auto show features 71 well-known automotive brands and nearly 1,000 new car models, covering an exhibition area of 80,000 square meters [3] - Major new energy vehicle brands such as Hongmeng Zhixing, NIO, and Li Auto participated, while domestic brands like BYD and Chery showcased their strengths, and joint ventures like SAIC Volkswagen and FAW Toyota offered significant discounts [3] Group 2 - The event serves as a "showcase" for new models and technologies, with over 20 debut vehicles including the Yangwang U9 Xtreme and Deep Blue L06 making their first appearance in Central China [3] - BYD presented its technological capabilities with a 1,500 square meter booth, while Hongmeng Zhixing showcased cutting-edge intelligent driving technology [3] - The third "Ten Thousand People Auto Group Purchase Event" has been upgraded to integrate brand resources and provide multiple discounts, alongside various themed experiences such as the "Super Intelligent Driving Conference" and "AI Technology Camp" [3]

Core Viewpoint - Yangwang Automotive has officially announced the launch of the Yangwang U9 Xtreme, a special edition of the Yangwang U9, with a global limited release of 30 units [1] Group 1: Product Announcement - The Yangwang U9 Xtreme is a special edition model of the Yangwang U9, which has been named and is set for a limited release of 30 units globally [1] - The vehicle previously set a global speed record for electric cars in August, and has now achieved a new record speed of 496.22 km/h, surpassing traditional fuel vehicles [1] Group 2: Performance Metrics - The Yangwang U9 Xtreme achieved a lap time of 6 minutes and 59.157 seconds at the Nürburgring Nordschleife, marking a significant performance milestone [1]

Core Insights - BYD's Yangwang U9X, a limited edition model, has been launched with only 30 units available globally, featuring unique customization options for each vehicle [1] - The U9X has set a new world record for electric vehicles with a top speed of 496.22 km/h, surpassing traditional fuel vehicles [1] - The vehicle also achieved a lap time of 6 minutes and 59.157 seconds at the Nürburgring Nordschleife, showcasing the performance capabilities of Chinese electric vehicles in the high-performance automotive sector [1] Group 1 - The U9X is named after the word "extreme," symbolizing the pursuit of limits and boundary-breaking exploration [1] - Unlike the standard U9, which balances daily comfort and track enjoyment, the U9X focuses solely on extreme track performance with comprehensive upgrades in both hardware and software [1] - Achieving stability at high speeds is a complex system engineering challenge that requires advancements in technical architecture, cooling systems, and braking systems [1] Group 2 - The U9X features the world's first mass-produced 1200V ultra-high voltage platform, equipped with four high-performance motors capable of reaching 30,000 RPM [2] - The vehicle boasts over 3000 PS of total power and a power-to-weight ratio of 1217 PS/t, with multiple performance metrics reaching global top standards [2] - The U9X incorporates a restructured cooling system that enhances total cooling power by 133%, ensuring stable peak performance throughout its operation [2] - The vehicle's battery system has been optimized for high discharge rates and thermal efficiency, significantly improving acceleration and deceleration capabilities [2]