Group 1 - The core viewpoint of the article is that Xingchen Technology (301536.SZ) has developed products for commercial low-altitude economic devices and consumer drones using 3D ToF technology in its smart perception business line [1] Group 2 - The company is actively engaging with investors through an interactive platform to communicate its technological advancements [1] - The focus on 3D ToF technology indicates a strategic direction towards enhancing capabilities in emerging markets such as low-altitude economy and consumer drones [1]