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China had nearly 1.58 million registered seafarers at the end of last year, the largest number in the world, according to the bureau's report. The figure reflected a 6.2 percent year-on-year increase.

China exported a record 53,700 metric tons of fireworks and firecrackers in May, just in time for this year's Independence Day, Bloomberg Businessweek reported.

China had 531 million online payment users at the end of last year, 11.9 percent or 56.61 million more than the previous year. Among them, 527 million people use mobile online payment, 12.3 percent or 57.83 million more than the previous year.

China ensures absolute security of staple grains. In recent years, with rice and wheat output meeting domestic needs, China is fully self-sufficient in food supply, and the main driver of food imports and exports is to satisfy the need for variety, the white paper said.

China has attached great importance to scientific and technological innovation, and is seeing a boom in its sci-fi industry. It will promote Beijing as a central city with global influence in the sci-fi field through the China Science Fiction Conference, which opened in the capital on Sunday, said Bai Xi with the China Association for Science and Technology.