China has sped up industrial upgrading by cultivating new quality productive forces, laying a solid foundation for strengthened recovery momentum this year and beyond.

"Such remarkable elasticity," said visitors as they tugged on a spandex product.

China's raw coal output fell 4.1 percent year on year to 1.11 billion tonnes in the first quarter of this year, official data showed.

China's coal-rich Shanxi Province reports rising coalbed methane output.

China vowed to set up a coal capacity reserve system by 2027, aiming to secure energy security through more flexible coal supplies, according to plans the country released Friday.

The output accounted for 59.1 percent of the province's power load at that time, said the company.

He said the orderly promotion of clean and efficient utilization of coal has seen significant progress.

Australia-based diversified metals producer South32 has agreed to sell its Illawarra metallurgical coal operations in New South Wales state to an entity owned by Singapore-based Golden Energy and Resources (Gear) and Australia's M Resources for $1.65bn.