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Commercial Aircraft Corp of China Ltd, the manufacturer of the C919, signed agreements with the four companies at the international air show in Beijing.

Collaboration and young, innovative talent are crucial for advanced technologies such as artificial intelligence, he said.

Commenting on G20 topics, Gustavo Girado, an expert on contemporary Chinese studies at the National University of Lanus in Argentina, said that multilateralism and global governance have been weakened in recent years, mainly by Western powers.

Cong Liang, secretary-general of the National Development and Reform Commission, said at a news conference that although resuming work may increase the risk of the epidemic's spread, suspended business operations will hurt the supply of medical materials and daily necessities, which is not a sustainable option.

Companies in the automobile supply chain have suffered widespread shutdowns and reduced production capacity during the pandemic, leading to an imbalance in the supply and demand of many raw materials and parts. On top of this, a rise in transportation costs has pushed up prices of components and parts.