An analyst said green hydrogen will play an important role in interconnecting renewable energy and decarbonization within industrial systems.

The national carbon trading market now covers 2,162 companies, all of which are electricity companies.

The upgrades, targeted to promote clean production and improve efficiency, have brought about both environmental and economic benefits.

The trip by rail and sea was about 20 days shorter than if the goods had been sent by sea.

The industry has also stepped up efforts ensuring safe mining in recent years, Sun said.

China's environmental protection sector reported steady revenue growth in 2021 as the country has ramped up green growth efforts.

The LCRC said that since the railway's opening, it has been actively enhancing the transportation organization, optimizing the freight service, and effectively ensuring efficient and smooth transportation.

The foreign trade value of North China's Hebei province reached 313.46 billion yuan ($46 billion) in the first seven months of this year.