Seven years. Zhang Junhao, born on July 20th, 2007, is a trainee of TF family. Zhang Junhao, as a trainee of three generations of TF family in Feng Jun, had been in Feng Jun for seven years, but he was a trainee in Feng Jun and had not made his debut. 2021June 15 joined the TF family in Aauto faster of Jiangsu Satellite TV 6 16, and performed the song "What is a Happy Planet" and "Youth Practice Manual". 65438+February 3 1 day, released the single "Growth" with TF family.