Guiyang's excellent and good air quality rate in 2021 was 98.9 percent, meeting China's national second-level standard.

Chen also outlined a series of goals to achieve in terms of green transformation across raw material industries by the end of 2025.

Hydrogen is expected to play a much larger role in China's decarbonization, especially in industries like steelmaking and aviation, where there are few clean energy alternatives, analysts said.

Chinese authorities unveiled a plan to facilitate the development of the country's raw materials industry during the 14th Five-Year Plan period (2021-2025).

China will be the main battlefield for massive technological innovation and application scenarios, said Zou Ji, CEO and president of Energy Foundation China.

Commodities 2022: China's met coal prices seen bearish, demand to dip on year - sources

In-depth business integration in key areas major task in achieving goals.

The world's largest shipbuilder is seeking to better serve the nation's major strategies, official sources said.