The development of energy saving and emission reduction industry in China, from the national policies, the cognition of energy use units, the maturity of equipment and technology of energy saving and emission reduction, the establishment and perfection of service system to the innovation and development of market-oriented mechanism, has reached a new historical height.The "13th Five-Year Plan" and 19th CPC National Congress reports explicitly identified energy saving and emission reduction as an important part of a national strategy.

During the 13th Five-Year Plan, energy saving assessment has been incorporated into the daily work by government departments and public institutions.The measures have promoted the energy saving renovation work of government departments, public institutions and energy units of all provinces and cities enter a new peak period, which makes China's energy saving and emission reduction market move into the "active era".

The expo mainly organizes the cities of Hunan Province, neighboring provinces and cities to display energy saving and emission reduction project planning and energy saving achievements.Two industrial parks: one is the industrial parks of energy saving and environmental protection projects and the other is the industrial parks with energy saving and emission reduction demand projects or corresponding achievements.