China’s imports of coking coal plummeted in 2021, as the country strived to diversify its sources amid an unofficial ban on Australian coal and coronavirus pandemic-hit Mongolian imports, analysts said.China imported 54.7 million tonnes of coking coal – an essential ingredient in the production of steel – last year, down by 24.6 per cent from 2020, according to official data.“Even though demand for non-Australian seaborne coal imports was strong, it still could not make up for the gap left by…