2. Virtual Reality Technology Laboratory of Institute of Computing Technology, Chinese Academy of Sciences

3. Institute of Remote Sensing Application, Chinese Academy of Sciences (Digital Earth, Digital City Direction)

4. Beijing Normal University Institute of Virtual Reality and Visualization Technology

5. Department of Information and Electronics, Beijing Institute of Technology (Augmented Reality and 3D Display Direction)

6. shijiazhuang tiedao university Institute of Information Technology

7. Virtual Reality and Multimedia Technology Laboratory of Southwest Jiaotong University

8. Shandong University Human-Computer Interaction and Virtual Reality Research Center

State Key Laboratory of Computer Aided Design and Graphics, Zhejiang University

10, Visual Information Processing Laboratory, Department of Intelligent Science, Peking University.

The above information is available. What you said about the manufacturer's production should be kept secret now.