HONG KONG, Aug 23, 2019 - (ACN Newswire) - Mongolian Mining Corporation ("MMC", or together with its subsidiaries, the "Group"; stock code: 975), the largest producer and exporter of washed hard coking coal ("HCC") in Mongolia, today announced its unaudited interim results for the six months ended 30 June 2019 ("1H2019" or the "reporting...