Is the number of participants in the AEC accurate?

It relies on data crawler technology, whenever we need to query the enterprise, its database does not have, it will go to the national enterprise credit information publicity system, the Chinese referee Wenwenwenshu.com and other official websites to crawl, usually takes less than a minute, its database has, then we search only milliseconds, so rely on this technology to show the enterprise information are from the official website, allowing public data, so it is credible and accurate.