The data of Tianyancha mainly comes from the public government enterprise information, covering industrial and commercial information, legal proceedings, court announcements, trademarks and patents, foreign investment, branches, change records, bonds, website filing, copyright, bidding and so on.
These data are updated in real time, which ensures the accuracy and timeliness of information. Tianyan Search will collect, sort out, analyze and mine these data in order to provide users with accurate enterprise information query services. Moreover, users can use these functions without registration, which is convenient and fast.