[BYD Launches Xuanji A3, China's First 4nm Intelligent Driving Chip] Golden Finance reported that on May 28, BYD launched the Xuanji A3, its self-developed 4nm intelligent driving chip. This is China's first 4nm intelligent driving chip, supporting L3 and L4 autonomous driving. Wang Chuanfu introduced that the product not only leads the industry in chip manufacturing process but also has the lowest power consumption per unit of computing power.