China HK Power Smart Energy Group (中国港能智慧能源集团有限公司, formerly known as China LNG Group, 中國天然氣集團有限公司) is an investment holding company that develops and operates energy systems and technologies. It offers renewable energy sources such as geothermal, air, biomass, solar energy, and natural gas, and provides energy system constructions, supply chains, operation, and technical services.