An exhibitor introduces a type of small household teaching robot during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

An exhibitor introduces a type of paper-made sound box equipped with bluetooth during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

Visitors view a type of intelligent mirror during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

A visitor experiences in an intelligent driving simulation cockpit during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

Visitors view a live demonstration of an underwater shooting robot during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

A visitor experiences an intelligent car system during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

Visitors view backpacks equipped with solar photovoltaic panels during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)

Visitors view a spherical customized computer host during the 2018 CES (Consumer Electronics Show) Asia in Shanghai, east China, June 13, 2018. Nearly 500 companies took part in the CES Asia, which kicked off here on Wednesday. (Xinhua/Fang Zhe)