小米回应200公里刹停测试，称可再实测

Group 1 - The core viewpoint of the article emphasizes that Xiaomi believes an objective mindset will lead to a fair evaluation of their claims regarding the braking performance of their vehicle [1] - Xiaomi officially stated that the claim of "instant stop at 200 km/h" was made in the context of showcasing the excellent braking performance of the Xiaomi SU7 Ultra carbon-ceramic brake discs during a test on their factory track [1] - The company expressed willingness to conduct further tests if there is interest, reinforcing their commitment to transparency and performance validation [1]