

Citizens experience the driverless bus at the Fuzhou Strait International Conference and Exhibition Center in Fuzhou, capital of Southeast China's Fujian province, April 21, 2018. China's first driverless bus had its debut on Saturday, which will be open for service for public during the first Digital China Summit held from April 22 to April 24. [Photo/Xinhua]

A D/A converter for 5G communication is displayed during the Digital China Exhibition in Fuzhou Strait International Conference and Exhibition Center in Fuzhou, capital of Southeast China's Fujian province, April 21, 2018. The exhibition opened on Saturday, during which 293 exhibitors will display the latest digital economy achievements. [Photo/Xinhua]

A smart cup is displayed during the Digital China Exhibition in Fuzhou Strait International Conference and Exhibition Center in Fuzhou, capital of Southeast China's Fujian province, April 21, 2018. The exhibition opened on Saturday, during which 293 exhibitors will display the latest digital economy achievements. [Photo/Xinhua]

A smart wearable cellphone is displayed during the Digital China Exhibition in Fuzhou Strait International Conference and Exhibition Center in Fuzhou, capital of Southeast China's Fujian province, April 21, 2018. The exhibition opened on Saturday, during which 293 exhibitors will display the latest digital economy achievements. [Photo/Xinhua]

A self-driving bus is displayed during the Digital China Exhibition in Fuzhou Strait International Conference and Exhibition Center in Fuzhou, capital of Southeast China's Fujian province, April 21, 2018. The exhibition opened on Saturday, during which 293 exhibitors will display the latest digital economy achievements. [Photo/Xinhua]
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