Mining contractor Delta Dunia Makmur (DOID) booked a net profit of US$0.28 million in 2021, against a loss of US$23.4 million in 2020, as revenues grew 51.3% year on year (y/y) to US$910.54 million. Gross profit also jumped 159% y/y to US$134 million, and operating profit surged 315% y/y to US$81.8 million.To subscribe please click here