1, liyang city Foreign Affairs Office: liyang city Foreign Affairs Office is an institution that handles foreign affairs and international exchanges. They can provide you with the specific requirements and procedures of the invitation letter and provide relevant support. You can go to their office for consultation or submit an application.
2. Local commercial department: You can contact the local commercial department or the Economic Cooperation Bureau to find out the procedures and requirements for handling the invitation letter. These departments are responsible for promoting local foreign economic exchanges and cooperation, and will also provide relevant help and guidance.
3. Hotel or conference organizer: If you plan to hold a conference in Liyang or arrange accommodation for customers, you can contact the reserved hotel or conference organizer, who can assist in providing invitations to support customers' visa applications.