In addition to coal, gold, platinum and diamond as its most prominent reserves, the country is also home to other minerals, such as chrome, vanadium and titanium.

The main export products included oxyamino compounds, steel, and freight vehicles; and the main imported commodities were copper ore, milk and cream, logs and potash fertilizer.

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

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).

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