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China has enhanced policy support for research and development in hydrogen fuel cells in recent years, said Li Can of the Chinese Academy of Sciences.

China has called for intensified global cooperation in frontier areas such as digital economy, artificial intelligence and nanotechnology and urged the advancement of big data, cloud computing and smart cities.

China has been supporting the consumption of cobalt and copper through its policies and strategic direction, including the purchase subsidies extension on new energy vehicles for two years to 2022.It is also encouraging that individual regions in China are taking exceptional steps to promote electric vehicles, including announcements of future bans on diesel and gasoline vehicle production and sales, he said.

China currently has 98 central SOEs, down from 117 five years ago as the government has been actively restructuring central SOEs in a bid to improve their efficiency and competitiveness.

China began importing solid waste as a source of raw materials in the 1980s and has for years been the world's largest importer, despite its weak capacity in garbage disposal. Some companies illegally bring foreign garbage into the country for profit, posing a threat to the environment and public health.