A model of an automatic vehicle production line with laser welding technology developed by HGTECH is on display at the 15th Optics Valley of China International Optoelectronic Exposition and Forum (OVC EXPO 2018) in Wuhan, Hubei province, Nov 14. The event opened on Nov 14 and will run until Nov 16, attracting a host of visitors to view the cutting-edge technologies on display. [Photo provided to China Daily]

A visitor experiences 5G remote-controlled driving at the exposition, Nov 14. [Photo/Xinhua]