China Coal Technology & Engineering Group focuses on the coal research and design engineering of coal mines in China and internationally. It engages in research on coal geology, hydrogeology, physical geography, exploration, and resources assessment; and offers engineering services, including planning, consulting, feasibility studies, design engineering, and EPC services for underground coal mines, open-pit coal mines, coal preparation plants, coal washing plants, etc. The company also provides research and development services for machinery and technology, including mine machinery, safety machinery and technology, and digital mining solutions; operates a coal mine; and offers operation management services to other mine owners. In addition, it provides clean coal engineering services; and maintenance services. The company has mining engineering projects in Turkey, Vietnam, Indonesia, Russia, Uzbekistan, Pakistan, Nigeria, Australia, South Korea, Mongolia, etc.