Full coverage: G20 Hangzhou Summit

Senegal and Australia have welcomed China's decision to name innovation as a major driver to boost world economic growth.

"The topics that are going to be discussed at the G20 are crucial to Africa as well, such as the economic growth based on technical innovation and investment. Africa needs investment, and those who can cooperate with us. From our perspective, we want to change the way aid is provided. We need cooperation that is mutually beneficia," said Macky Sall, Senegalese president.

"This G20 Summit... What Australian is looking forward to for us is that the world community making progress towards a stronger growth. More innovation, more jobs, more investment. We are very pleased with the emphasis in particular that China has put innovation as a key driver for additional stronger global economic growth," said Mathias Cormann, Australian Finance Minister.