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"China, as the world's largest importer and consumer of iron ore, has the obligation to provide an open, transparent and fair price benchmark reflecting the real supply and demand situation on the global iron ore market," said Li Zhengqiang, chairman of the exchange.

"China's central to global supply chain, central to global trade, playing a major role and is the largest producer in the world," said Roach, adding "it is encouraging to see there are signs of revival in production" after the nation experienced about two months of tight control over its economy in an effort to contain the COVID-19 outbreak.

"Chinese companies have a lot to do in digital transformation," Zhang Yifan, marketing director of Intel China, said.

"Cross-border e-commerce has made rapid and notable achievements since the pilot zones were established and has become a new area of growth for imports and exports," Li said. "We should facilitate domestic consumption and at the same time improve export quality in the global market."

"Climate change is the biggest threat to our planet," he noted.