1. Log on to official website, State Administration of Pharmaceutical Products, and look for "Internet Drug Information Service" or similar columns or links on the homepage or related pages.
2. Entering this column or link will usually provide relevant inquiry service, allowing you to enter the company name or registration information for search.
3. Enter the name of the company to query, and click the search or confirm button to query.
4. The system will search according to the input information and display the query results. If the company holds the Qualification Certificate of Internet Drug Information Service, it should display relevant information, such as certificate number, validity period, etc. Internet refers to a huge network in series between networks, which are connected by a set of common protocols to form a logically single huge international network.