Where is the elevator energy supply and demand information authority?

In order to find the most reliable information on the supply and demand of elevator energy conservation, it is necessary to pass the right channel. Although the network information is relatively developed now, and the distribution of resources is relatively abundant, it doesn't mean that all the information of supply and demand is correct and credible. So, where is the most authoritative information?
Most of the supply and demand information of the elevator energy-saving products is released by a number of professional organizations and enterprises, so the contents of these information will be more in place, and it will be more targeted. We can find the more reliable and accurate information of supply and demand according to the recommendation of the elevator rankings and the guidance of the relevant professional websites. These information generally contain several features, first of all, the large amount of information, the high click and browse, and the more frequency of the search. Secondly, the information content is diverse and comprehensive, and the space that can be chosen is relatively large. Finally, the information release is in place for accurate sources and can be queried. The three points above can be used to judge the authenticity of the information.
Only to find the more authoritative and real elevator energy supply and demand information can meet the users' demand for energy saving products. Not falling trap, find a part of the unreliable information, so that the interests of their own damage. Where can the information of authoritative supply and demand be found? With reference to this article, I hope you can help you.