China Leon Inspection Holding Limited, an investment holding company, provides services on inspection, testing, technical, and consulting services in Greater China, Singapore, and internationally. It offers coal inspection and data, mineral inspection, petrochemical product inspection, climate change and sustainable development, power and energy, and leak detection and repair services, as well as integrated services in the field of ecological environment. The company also provides standard and quality control technical services; appraisal and inspection technology development services; scientific research, technique, and business services; and environmental testing and certification services. It serves energy and bulk industries, such as coal, oil, power, and mineral product. The company was founded in 2009 and is headquartered in Beijing, the People's Republic of China.