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As a major source of cultivating new growth drivers, SMEs have played an important role in promoting economic growth, increasing jobs and stimulating innovation, says the white paper released by authorities including the People's Bank of China and the China Banking and Insurance Regulatory Commission.

As early as 2016, authorities in Beijing, Tianjin and Hebei province signed a cooperation agreement on the coordinated development of informatization, mapping out plans on 5G network construction.

As a professional, international and high-level event, the fair has played an active role in the country's technological development, from making improvements and catching up with other countries to taking the lead in internationally advanced technological levels, Wang Lixin, the fair's secretary-general said.

As a co-host, South Africa has sent dozens of its SMEs to attend the fair, with businesses ranging from wine to engineering, fashion to agriculture.

As artificial intelligence, virtual reality and 5G have gradually matured and been popularized, the cultural entertainment industry has been reshaped by the tech revolution.