Autonomous driving technology. After the epidemic broke out in Wuhan in early 2020, JD Logistics relied on L4 level autonomous driving technology and Beidou satellite positioning system to quickly put into use smart express vehicles in Wuhan, making contactless delivery a major safety guarantee during the epidemic. JD.com is a self-operated e-commerce company in China. Its founder Liu Qiangdong serves as the chairman and CEO of JD.com Group. The full-year net income in 2021 will reach 951.6 billion yuan. It has JD Mall, JD Finance, Paipai.com, JD Smart, O2O and overseas business units.