China Metallurgical Geology Bureau

China Metallurgical Geology Bureau (CMGB), founded in 1952, is a state-owned public welfare enterprise responsible for strengthening China’s mineral resource security. With total assets exceeding RMB 23 billion, CMGB specializes in solid mineral geological exploration, research, equipment manufacturing, and super-hard material production. It operates through 11 bureaus and 6 subsidiaries across 20 provinces. Over the past 70 years, CMGB has completed more than 1.66 million km² of geological surveys and discovered major national mineral resources including large iron, gold and rare earth deposits, making significant contributions to China’s industrial development. Committed to innovation and global cooperation, CMGB aims to build a world-class green resource and environmental service provider while continuously supporting national economic and social development.