Established in July 2021, a joint venture between Xi'an High-tech Zone Urban Living Room Development and Construction Co. Ltd. The company will provide integrated and professional services in heat, cooling, hot water, electricity sales, system operation and maintenance management and energy-saving technical consulting services to the region. It will build a safe, low-carbon, green and smart energy supply system with a green base, making the region a green city suitable for living, working, travelling and development, and forming a "high model" for the low-carbon development of a smart city.