David Aikman, managing director of the World Economic Forum, announces the closing of the Annual Meeting of the New Championships, also known as the Summer Davos Forum in Dalian, northeast China's Liaoning Province on September 11, 2015. [Photo: CRIENGLISH.com/Huang Shan]

This year's Summer Davos has wrapped up in China's northern city of Dalian.

More than 1,700 business leaders and experts from over 90 countries attended this year's forum which came to a close on Friday afternoon.

Key topics discussed at the meeting include China's economic outlook, the internet, shifts in finance and energy, as well as science and technology frontiers.

Premier Li Keqiang delivered a keynote speech at the opening ceremony on Thursday, saying China will open its onshore inter-bank FX market to foreign central banks.

He also said a cross-border yuan payment system will be set up by the end of 2015.