SUD 2023 participants are requested to consult the Chinese Embassy or Consulate in their home country or with their travel agency for specific details relating to visa requirements，and you can also find the guidlines for visa application at https://www.visaforchina.org. For those pre-registered participants who requires a visa, please request the necessary Letter of Invitation to the Conference Secretariat: sud@nbu.edu.cn.
Note: The following information should be included in the request email:
