Gong Junchen.

Li Fei and the national team competed for Gong Junchen. Gong Junchen broke the Chongqing men's 11-year-old 50-meter backstroke record and reached the national first-class athlete standard, so Li Fei and the national team competed for it.

The national team refers to the sports team formed by the country. It is usually used for competitive activities between countries, and often represents the highest level and spiritual outlook of a country.