If one of the following conditions is met, one can apply to submit to South Korea for more than five years: 1. A group visa for entering South Korea before January 27, 2016, and a C32 visa for visiting South Korea (excluding visa free entry) (Basic materials+visa page of the country and a copy of the country's customs stamp for exit or entry); 2. C39 visa or study abroad visa: Have visited South Korea once or more at any time (with the visa type displayed on the visa page), (basic materials+copy of the visa page and the exit or entry seal stamped by the customs of that country); 3. Full time 4-year undergraduate degree (basic materials+educational record form downloaded from China Academic Degrees and Information Technology Network): 4. Visited one of 22 OECD member countries: Austria, Belgium, Denmark, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, New Zealand, Norway, Portugal, Spain, Switzerland