Zheng Kangjin is a 17-year-old professional football player from CHN. He currently plays for Shanghai Shenhua U15, wearing the number 7 shirt. At the international level, he represents China U15. He plays primarily as a Midfield.

Across 7 appearances in the Chinese U15 League 2025, Zheng Kangjin registered 0 goals and 1 assists, while completing 2 key passes out of 109 total passes with a passing accuracy of 12.3.