On the premise of knowing the name of the enterprise, you can enter the full name through the exchange law risk early warning network. The search results will retrieve the corporate information and specific business information of the enterprise, as well as registration information and enterprise change information. Sometimes the registered place of an enterprise has changed, which can be clearly seen from the risk early warning network. As well as the investment proportion and shareholder structure information of enterprise shareholders. You can also inquire through the company's registration number. Telephone numbers are generally left in the industrial and commercial bureau, some will be publicized, and some will not be publicized. Its publicity time is time-sensitive. Generally, after the time-sensitive period, the publicity will be withdrawn.