Dapeng Hi-Tech's underwater unmanned technology is displayed at innovation and entrepreneurship week in Optics Valley, Oct 9. The technology can be used in unmanned submarines and self-sailing yachts. [Photo provided to China Daily]

A multi-vehicle coordination/high-reliability self-driving vehicle controller developed by In-Driving Technology on display in Optics Valley. The product has special functions to help avoid obstacles and assist with parking; it also features a "one click" car hire function. [Photo provided to China Daily]