Mobile vending robot in the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Exterior view of the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Convergence media live broadcast room set in the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Coffee robot set in the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Flexible screen table sign set in the conference hall of the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Service robot in the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)

Flexible screen displayed in the 2020 Zhongguancun Forum Venue photographed on September 16. The 2020 Zhongguancun Forum will be held in Beijing from September 17 to September 20. On September 16, the reporter paid a visit to the Exhibition Center of Zhongguancun National Independent Innovation Demonstration Zone in Haidian District, Beijing. (Photographed by Ren Chao, reporter of Xinhua News Agency)