Tian di Science & Technology 

Tiandi Science & Technology Co.Ltd engages in the research, technology development, equipment manufacturing, engineering demonstration, testing, and inspection activities for the coal industry in China. It supplies intelligent technologies and equipment for coal mines, including intelligent mining, tunneling, and transportation, as well as mining equipment and washing equipment. The company also offers safety products, technical services, disaster management and other services for coal mine safety technology sector. In addition, it is involved in clean utilization, low-carbon and carbon reduction, and new energy activities; survey and design, engineering general contracting and supervision consulting; demonstration mines, professional operations and ecological governance; and urban construction, new materials, and cross-border extension businesses. The company was founded in 2000 and is based in Beijing, China. Tiandi Science & Technology Co.Ltd is a subsidiary of China Coal Technology & Engineering Group Corp.