hello, the certification enterprise supports the function of setting the enterprise abbreviation internally, which is limited to the certification enterprise master administrator. Can be named according to the full name of the enterprise, the enterprise trademark or the core business of the enterprise, such as DingTalk, Ali Mama. If the enterprise abbreviation includes a registered trademark, it is necessary to submit a trademark registration certificate, otherwise the audit will not pass. After the application for enterprise abbreviation is submitted, it will be reviewed within 1-2 working days, and the review result will be informed by the small secretary. After setting up, a series of places where the company name is displayed will display abbreviations; Setting path: mobile phone nail-address book-management-enterprise abbreviation setting tips: 1. Individual industrial and commercial households, virtual certification organizations and overseas enterprises cannot apply for enterprise abbreviation; 2. If the enterprise abbreviation is cancelled after the application, it may not apply again within six months; 3. If the user needs to upload the association certificate, he needs to turn on the switch with the abbreviation containing the registered trademark;