China's automotive chassis industry
2026-03-16 19:30:29
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The deep integration of China's automotive chassis industry with the new energy
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The deep integration of China's automotive chassis industry with the new energy industry in the past decade is driving the transition of vehicle architecture from 'mechanical load-bearing' to 'intelligent execution center'. The wire controlled chassis (SBW/SBK) achieves direct control of electrical signals for steering and braking, with response speed increased to milliseconds, becoming the physical cornerstone of L3+autonomous driving. In 2025, the new national standards GB 17675-2025 and GB 21670-2025 will be officially implemented, accelerating the mass production of domestically produced EMB and SBW. CTC (Cell to Chassis) battery chassis integration technology is led by companies such as BYD, Zero Run, Tesla, etc. It eliminates the traditional battery pack structure, increases the torsional stiffness of the vehicle by 25% -40%, extends the range by 10% -16%, reduces the weight of the entire vehicle by more than 10%, and achieves a dual breakthrough in energy density and space utilization. The intelligent suspension systems of BYD's 'Yunnian' and Huawei's 'Tuling' achieve the coordination of chassis, intelligent driving, and power in four domains. Through electronic control valves and AI algorithms, damping and height are adjusted in real time, significantly improving comfort and handling stability. Yunnian-P also achieves four-wheel linkage and ground takeoff. Leading companies in the industry rely on integrated die-casting and lightweight materials to reduce chassis costs by 40%. By 2025, the penetration rate of new energy vehicles will exceed 50%, and the intelligent configuration rate of chassis will exceed 70%. Technology is transitioning from 'component upgrade' to 'system reconstruction', and China is leading the global development of intelligent chassis standards, achieving a leap from 'following' to 'defining'.
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shanghai caite international trade co.,ltd
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