China Leon Inspection Holding Limited, an investment holding company, provides inspection, testing, technical, and consulting services in Greater China, Singapore, and internationally. The company offers coal inspection and big data, metals and minerals 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 environmental field. It also provides standard technical; inspection and testing; inspection technical advisory; and quality inspection services. It serves energy and bulk industries, such as coal, oil, power, and mineral product.