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China is expected to become the world's largest 5G market before 2025, according to a report by GSMA Intelligence, a think tank of the representative body of the global mobile industry and China Information and Communications Technology Academy.

China is ready to work with Cambodia to hand down and carry forward their traditional friendship, revitalize China-Cambodia relations in the new historical period and bolster the well-being of the two, he said.

China is ready to work with Canada to safeguard rules-based international order and free trade, promote trade liberalization and investment facilitation, Premier Li Keqiang told his Canadian counterpart Justin Trudeau on Wednesday in Singapore.

China is the world's largest industrial robot market, accounting for one-third of the world's demand, according to the International Federation of Robotics. Industrial robot sales in the country have surged in recent years and hit a record high of 141,000 pieces in 2017.

China has topped the world in electric bike manufacturing and use, and the number of fires caused by the vehicles has been on the rise in recent years, said Sun.