Real estate is a pillar industry of economy in our country, the development of real estate also led to the development of steel industry and cement industry. Makes Chinese construction consumption accounts for more than half of the world, so the efficient use of resources and energy saving has become the development direction of China's future, also be more nervous energy, the state encourages the development of energy saving of the new technology development.

According to introducing, building energy consumption accounts for 30% of the total energy consumption in our country, some cities even above 40%. Is not only the daily electricity, water and other resources drying up, at the same time in the building construction, drive the construction broken equipment required by the various energy demand is huge, how to achieve effective and reasonable use of existing equipment, make it more energy conservation and environmental protection, low cost high efficiency ?