The steel industry was affected by the virus in the first quarter of 2020.

The 2009 ferrosilicon contract price on ZCE closed at 5662 yuan per ton on April 23.

"More closures would be necessary, as demand shows little sign of recovery," said one US mining firm.

The 2009 ferrosilicon contract price on ZCE closed at 5708 yuan per ton on April 22.

Integrated steelmaker ArcelorMittal is taking a planned outage at one of the blast furnaces at its Burns Harbor mill.

The 2009 ferrosilicon contract price on ZCE closed at 5708 yuan per ton on April 21.

China, the world's top steel maker, produced 234.45 million tonnes of crude steel during the first quarter, up 1.2 percent from a year ago, data from the National Bureau of Statistics showed.

The 2009 ferrosilicon contract price on ZCE closed at 5704 yuan per ton on April 20.