Photo taken on Nov. 20, 2019 shows Huawei's exhibition booth during a press preview for the 2019 World 5G Convention in Beijing, capital of China. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Li Xin)
A visitor looks at an indoor delivery robot during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Ren Chao)
An exhibitor tests a device during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Chen Zhonghao)
A Huawei Atlas 800 AI server is on display during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Peng Ziyang)
An exhibitor shows a security robot during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Ren Chao)
Exhibitors display 5G-powered technologies during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Li Xin)
Two robotic arms play the piano during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Chen Zhonghao)
A staff member shows a 5G-powered remote driving system during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Ren Chao)
A Huawei Atlas 800 AI server is on display during a press preview for the 2019 World 5G Convention in Beijing, capital of China, Nov. 20, 2019. The 2019 World 5G Convention will open here on Nov. 21. (Xinhua/Peng Ziyang)