Sun Xinkai is a 22-year-old professional football player from CHN. He plays primarily as a Forward. His current market value is estimated at 75K .

His most recent move was a from Shanghai Shenhua U21 to Lanzhou Longyuan Athletics on 2026-02-11.

In the Chinese Football League 2 2025 season, Sun Xinkai scored 2 goals and provided 4 assists across 29 appearances, averaging 0.1 goals per game with 37 shots attempted and 7 on target.