Existing building energy-saving reconstruction market in China: Characteristics and prospect Behavior characteristics and market operation problems of existing building energy-saving renovation market Benefit evaluation on ESCO driving force for market development of energy-saving building Optimization and implementation strategy of ESCO driving force in the development of energy-saving transformation market of existing buildings CharaCteristiCs and advantages of energy performanCe ContraCting mode for energy saving transformation of existing large publiC building Strategies for healthy market of existing building energy conservation Investment risk evaluation of existing building energy-saving renovation project for ESCO Construction practice of market system for energy saving renovation of existing buildings China's Labor Market in Seven Decades International government regulatory experience of building energy-saving: A survey