NextFin News -- Xiaomi's founder and CEO Lei Jun revealed on Monday that the pre-orders for Xiaomi's next-generation SU7 have surpassed 30,000 units. Test drives have started at 492 stores across 143 cities nationwide, Lei said, adding that there were many people viewing the cars over the weekend. From March 20 to March 22, more than 50,000 people participated in test drives of the new-gen Xiaomi SU7.