For freshmen admitted in 2022, 

the original "Visa Application Form for Study in China" (JW201 or JW202) and the original admission notices of the school are required;

For students admitted in 2020 or 2021,

the original "Visa Application Form for Study in China" (JW201 or JW202), the original admission notices of the school and the Back-to-School approval letters issued by the school are required;

For returning students admitted before or in 2019,

the Back-to-School approval letters issued by the school and the previous X1-visa or study residence permit are required.